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4 27 immunity-related GTPase protein_type The immunity-related GTPase Irga6 dimerizes in a parallel head-to-head fashion TITLE
28 33 Irga6 protein The immunity-related GTPase Irga6 dimerizes in a parallel head-to-head fashion TITLE
34 43 dimerizes oligomeric_state The immunity-related GTPase Irga6 dimerizes in a parallel head-to-head fashion TITLE
49 70 parallel head-to-head protein_state The immunity-related GTPase Irga6 dimerizes in a parallel head-to-head fashion TITLE
4 28 immunity-related GTPases protein_type The immunity-related GTPases (IRGs) constitute a powerful cell-autonomous resistance system against several intracellular pathogens. ABSTRACT
30 34 IRGs protein_type The immunity-related GTPases (IRGs) constitute a powerful cell-autonomous resistance system against several intracellular pathogens. ABSTRACT
0 5 Irga6 protein Irga6 is a dynamin-like protein that oligomerizes at the parasitophorous vacuolar membrane (PVM) of Toxoplasma gondii leading to its vesiculation. ABSTRACT
11 31 dynamin-like protein protein_type Irga6 is a dynamin-like protein that oligomerizes at the parasitophorous vacuolar membrane (PVM) of Toxoplasma gondii leading to its vesiculation. ABSTRACT
100 117 Toxoplasma gondii species Irga6 is a dynamin-like protein that oligomerizes at the parasitophorous vacuolar membrane (PVM) of Toxoplasma gondii leading to its vesiculation. ABSTRACT
20 40 biochemical analysis experimental_method Based on a previous biochemical analysis, it has been proposed that the GTPase domains of Irga6 dimerize in an antiparallel fashion during oligomerization. ABSTRACT
72 86 GTPase domains structure_element Based on a previous biochemical analysis, it has been proposed that the GTPase domains of Irga6 dimerize in an antiparallel fashion during oligomerization. ABSTRACT
90 95 Irga6 protein Based on a previous biochemical analysis, it has been proposed that the GTPase domains of Irga6 dimerize in an antiparallel fashion during oligomerization. ABSTRACT
96 104 dimerize oligomeric_state Based on a previous biochemical analysis, it has been proposed that the GTPase domains of Irga6 dimerize in an antiparallel fashion during oligomerization. ABSTRACT
111 123 antiparallel protein_state Based on a previous biochemical analysis, it has been proposed that the GTPase domains of Irga6 dimerize in an antiparallel fashion during oligomerization. ABSTRACT
3 13 determined experimental_method We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
18 35 crystal structure evidence We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
42 66 oligomerization-impaired protein_state We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
67 72 Irga6 protein We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
73 79 mutant protein_state We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
80 88 bound to protein_state We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
108 111 GTP chemical We determined the crystal structure of an oligomerization-impaired Irga6 mutant bound to a non-hydrolyzable GTP analog. ABSTRACT
36 45 structure evidence Contrary to the previous model, the structure shows that the GTPase domains dimerize in a parallel fashion. ABSTRACT
61 75 GTPase domains structure_element Contrary to the previous model, the structure shows that the GTPase domains dimerize in a parallel fashion. ABSTRACT
76 84 dimerize oligomeric_state Contrary to the previous model, the structure shows that the GTPase domains dimerize in a parallel fashion. ABSTRACT
90 98 parallel protein_state Contrary to the previous model, the structure shows that the GTPase domains dimerize in a parallel fashion. ABSTRACT
4 15 nucleotides chemical The nucleotides in the center of the interface participate in dimerization by forming symmetric contacts with each other and with the switch I region of the opposing Irga6 molecule. ABSTRACT
37 46 interface site The nucleotides in the center of the interface participate in dimerization by forming symmetric contacts with each other and with the switch I region of the opposing Irga6 molecule. ABSTRACT
134 142 switch I site The nucleotides in the center of the interface participate in dimerization by forming symmetric contacts with each other and with the switch I region of the opposing Irga6 molecule. ABSTRACT
166 171 Irga6 protein The nucleotides in the center of the interface participate in dimerization by forming symmetric contacts with each other and with the switch I region of the opposing Irga6 molecule. ABSTRACT
39 42 GTP chemical The latter contact appears to activate GTP hydrolysis by stabilizing the position of the catalytic glutamate 106 in switch I close to the active site. ABSTRACT
89 98 catalytic protein_state The latter contact appears to activate GTP hydrolysis by stabilizing the position of the catalytic glutamate 106 in switch I close to the active site. ABSTRACT
99 112 glutamate 106 residue_name_number The latter contact appears to activate GTP hydrolysis by stabilizing the position of the catalytic glutamate 106 in switch I close to the active site. ABSTRACT
116 124 switch I site The latter contact appears to activate GTP hydrolysis by stabilizing the position of the catalytic glutamate 106 in switch I close to the active site. ABSTRACT
138 149 active site site The latter contact appears to activate GTP hydrolysis by stabilizing the position of the catalytic glutamate 106 in switch I close to the active site. ABSTRACT
38 47 switch II site Further dimerization contacts involve switch II, the G4 helix and the trans stabilizing loop. ABSTRACT
53 61 G4 helix structure_element Further dimerization contacts involve switch II, the G4 helix and the trans stabilizing loop. ABSTRACT
70 92 trans stabilizing loop structure_element Further dimerization contacts involve switch II, the G4 helix and the trans stabilizing loop. ABSTRACT
4 9 Irga6 protein The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
10 19 structure evidence The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
31 39 parallel protein_state The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
40 53 GTPase domain structure_element The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
54 59 dimer oligomeric_state The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
107 114 dynamin protein_type The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
119 125 septin protein_type The Irga6 structure features a parallel GTPase domain dimer, which appears to be a unifying feature of all dynamin and septin superfamily members. ABSTRACT
88 91 IRG protein_type This study contributes important insights into the assembly and catalytic mechanisms of IRG proteins as prerequisite to understand their anti-microbial action. ABSTRACT
0 24 Immunity-related GTPases protein_type Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
26 30 IRGs protein_type Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
53 104 dynamin-related cell-autonomous resistance proteins protein_type Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
148 174 Mycobacterium tuberculosis species Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
176 195 Mycobacterium avium species Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
197 219 Listeria monocytogenes species Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
221 238 Trypanosoma cruzi species Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
244 261 Toxoplasma gondii species Immunity-related GTPases (IRGs) comprise a family of dynamin-related cell-autonomous resistance proteins targeting intracellular pathogens, such as Mycobacterium tuberculosis, Mycobacterium avium, Listeria monocytogenes, Trypanosoma cruzi, and Toxoplasma gondii. INTRO
3 7 mice taxonomy_domain In mice, the 23 IRG members are induced by interferons, whereas the single human homologue is constitutively expressed in some tissues, especially in testis. INTRO
16 19 IRG protein_type In mice, the 23 IRG members are induced by interferons, whereas the single human homologue is constitutively expressed in some tissues, especially in testis. INTRO
43 54 interferons protein_type In mice, the 23 IRG members are induced by interferons, whereas the single human homologue is constitutively expressed in some tissues, especially in testis. INTRO
75 80 human species In mice, the 23 IRG members are induced by interferons, whereas the single human homologue is constitutively expressed in some tissues, especially in testis. INTRO
28 32 IRGs protein_type In non-infected cells, most IRGs are largely cytosolic. INTRO
13 17 IRGs protein_type In this way, IRGs contribute to the release of the pathogen into the cytoplasm and its subsequent destruction. INTRO
0 5 Irga6 protein Irga6, one of the effector IRG proteins, localizes to the intact parasitophorous vacuole membrane (PVM) and, after disruption of the PVM, is found associated with vesicular accumulations, presumably derived from the PVM. INTRO
27 30 IRG protein_type Irga6, one of the effector IRG proteins, localizes to the intact parasitophorous vacuole membrane (PVM) and, after disruption of the PVM, is found associated with vesicular accumulations, presumably derived from the PVM. INTRO
2 21 myristoylation site site A myristoylation site at Gly2 is necessary for the recruitment to the PVM but not for the weak constitutive binding to the ER membrane. INTRO
25 29 Gly2 residue_name_number A myristoylation site at Gly2 is necessary for the recruitment to the PVM but not for the weak constitutive binding to the ER membrane. INTRO
43 50 helix A structure_element An internally oriented antibody epitope on helix A between positions 20 and 24 was demonstrated to be accessible in the GTP-, but not in the GDP-bound state. INTRO
69 78 20 and 24 residue_range An internally oriented antibody epitope on helix A between positions 20 and 24 was demonstrated to be accessible in the GTP-, but not in the GDP-bound state. INTRO
120 125 GTP-, protein_state An internally oriented antibody epitope on helix A between positions 20 and 24 was demonstrated to be accessible in the GTP-, but not in the GDP-bound state. INTRO
141 150 GDP-bound protein_state An internally oriented antibody epitope on helix A between positions 20 and 24 was demonstrated to be accessible in the GTP-, but not in the GDP-bound state. INTRO
51 54 GTP chemical This indicates large-scale structural changes upon GTP binding that probably include exposure of the myristoyl group, enhancing binding to the PVM. INTRO
0 19 Biochemical studies experimental_method Biochemical studies indicated that Irga6 hydrolyses GTP in a cooperative manner and forms GTP-dependent oligomers in vitro and in vivo. INTRO
35 40 Irga6 protein Biochemical studies indicated that Irga6 hydrolyses GTP in a cooperative manner and forms GTP-dependent oligomers in vitro and in vivo. INTRO
52 55 GTP chemical Biochemical studies indicated that Irga6 hydrolyses GTP in a cooperative manner and forms GTP-dependent oligomers in vitro and in vivo. INTRO
90 103 GTP-dependent protein_state Biochemical studies indicated that Irga6 hydrolyses GTP in a cooperative manner and forms GTP-dependent oligomers in vitro and in vivo. INTRO
104 113 oligomers oligomeric_state Biochemical studies indicated that Irga6 hydrolyses GTP in a cooperative manner and forms GTP-dependent oligomers in vitro and in vivo. INTRO
0 18 Crystal structures evidence Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
22 27 Irga6 protein Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
39 56 nucleotide-loaded protein_state Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
99 102 IRG protein_type Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
125 138 GTPase domain structure_element Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
145 169 composite helical domain structure_element Crystal structures of Irga6 in various nucleotide-loaded states revealed the basic architecture of IRG proteins, including a GTPase domain and a composite helical domain. INTRO
36 58 dimerization interface site These studies additionally showed a dimerization interface in the nucleotide-free protein as well as in all nucleotide-bound states. INTRO
66 81 nucleotide-free protein_state These studies additionally showed a dimerization interface in the nucleotide-free protein as well as in all nucleotide-bound states. INTRO
108 124 nucleotide-bound protein_state These studies additionally showed a dimerization interface in the nucleotide-free protein as well as in all nucleotide-bound states. INTRO
14 35 GTPase domain surface site It involves a GTPase domain surface, which is located at the opposite side of the nucleotide, and an interface in the helical domain, with a water-filled gap between the two contact surfaces. INTRO
101 110 interface site It involves a GTPase domain surface, which is located at the opposite side of the nucleotide, and an interface in the helical domain, with a water-filled gap between the two contact surfaces. INTRO
118 132 helical domain structure_element It involves a GTPase domain surface, which is located at the opposite side of the nucleotide, and an interface in the helical domain, with a water-filled gap between the two contact surfaces. INTRO
141 146 water chemical It involves a GTPase domain surface, which is located at the opposite side of the nucleotide, and an interface in the helical domain, with a water-filled gap between the two contact surfaces. INTRO
174 190 contact surfaces site It involves a GTPase domain surface, which is located at the opposite side of the nucleotide, and an interface in the helical domain, with a water-filled gap between the two contact surfaces. INTRO
0 11 Mutagenesis experimental_method "Mutagenesis of the contact surfaces suggests that this ""backside"" interface is not required for GTP-dependent oligomerization or cooperative hydrolysis, despite an earlier suggestion to the contrary." INTRO
19 35 contact surfaces site "Mutagenesis of the contact surfaces suggests that this ""backside"" interface is not required for GTP-dependent oligomerization or cooperative hydrolysis, despite an earlier suggestion to the contrary." INTRO
56 64 backside site "Mutagenesis of the contact surfaces suggests that this ""backside"" interface is not required for GTP-dependent oligomerization or cooperative hydrolysis, despite an earlier suggestion to the contrary." INTRO
66 75 interface site "Mutagenesis of the contact surfaces suggests that this ""backside"" interface is not required for GTP-dependent oligomerization or cooperative hydrolysis, despite an earlier suggestion to the contrary." INTRO
96 99 GTP chemical "Mutagenesis of the contact surfaces suggests that this ""backside"" interface is not required for GTP-dependent oligomerization or cooperative hydrolysis, despite an earlier suggestion to the contrary." INTRO
10 29 biochemical studies experimental_method Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
45 48 GTP chemical Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
76 81 Irga6 protein Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
94 103 interface site Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
111 124 GTPase domain structure_element Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
136 159 nucleotide-binding site site Extensive biochemical studies suggested that GTP-induced oligomerization of Irga6 requires an interface in the GTPase domain across the nucleotide-binding site. INTRO
7 25 structural studies experimental_method Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
44 55 G interface site Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
71 78 dynamin protein_type Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
108 115 dynamin protein_type Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
117 120 MxA protein Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
126 153 guanylate binding protein-1 protein Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
155 160 GBP-1 protein Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
163 171 atlastin protein_type Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
180 189 bacterial taxonomy_domain Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
190 211 dynamin-like proteins protein_type Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
213 217 BDLP protein_type Recent structural studies indicated that a 'G interface' is typical of dynamin superfamily members, such as dynamin, MxA, the guanylate binding protein-1 (GBP-1), atlastin and the bacterial dynamin-like proteins (BDLP). INTRO
48 59 G interface site For several of these proteins, formation of the G interface was shown to trigger GTP hydrolysis by inducing rearrangements of catalytic residues in cis. INTRO
81 84 GTP chemical For several of these proteins, formation of the G interface was shown to trigger GTP hydrolysis by inducing rearrangements of catalytic residues in cis. INTRO
3 10 dynamin protein_type In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
16 27 G interface site In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
53 75 phosphate binding loop structure_element In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
85 99 switch regions site In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
106 128 trans stabilizing loop structure_element In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
139 146 G4 loop structure_element In dynamin, the G interface includes residues in the phosphate binding loop, the two switch regions, the 'trans stabilizing loop' and the 'G4 loop'. INTRO
4 9 Irga6 protein For Irga6, it was demonstrated that besides residues in the switch I and switch II regions, the 3'-OH group of the ribose participates in this interface. INTRO
60 68 switch I site For Irga6, it was demonstrated that besides residues in the switch I and switch II regions, the 3'-OH group of the ribose participates in this interface. INTRO
73 82 switch II site For Irga6, it was demonstrated that besides residues in the switch I and switch II regions, the 3'-OH group of the ribose participates in this interface. INTRO
143 152 interface site For Irga6, it was demonstrated that besides residues in the switch I and switch II regions, the 3'-OH group of the ribose participates in this interface. INTRO
10 44 signal recognition particle GTPase protein_type Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
64 72 receptor protein_type Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
81 84 FfH protein Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
89 93 FtsY protein Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
97 105 bacteria taxonomy_domain Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
145 153 dimerize oligomeric_state Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
160 173 anti-parallel protein_state Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
211 217 GTPase protein_type Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
268 273 Irga6 protein Since the signal recognition particle GTPase and its homologous receptor (called FfH and FtsY in bacteria) also employ the 3'-OH ribose group to dimerize in an anti-parallel orientation therefore activating its GTPase, an analogous dimerization model was proposed for Irga6. INTRO
13 30 crystal structure evidence However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
34 39 Irga6 protein However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
47 58 presence of protein_state However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
80 83 GTP chemical However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
93 121 5'-guanylyl imidodiphosphate chemical However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
123 129 GMPPNP chemical However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
178 181 apo protein_state However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
185 194 GDP-bound protein_state However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
228 243 dimer interface site However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
264 277 GTPase domain structure_element However, the crystal structure of Irga6 in the presence of the non-hydrolyzable GTP analogue 5'-guanylyl imidodiphosphate (GMPPNP) showed only subtle differences relative to the apo or GDP-bound protein and did not reveal a new dimer interface associated with the GTPase domain. INTRO
5 14 structure evidence This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
31 38 soaking experimental_method This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
39 45 GMPPNP chemical This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
49 64 nucleotide-free protein_state This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
65 73 crystals evidence This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
77 82 Irga6 protein This structure was obtained by soaking GMPPNP in nucleotide-free crystals of Irga6, an approach which may have interfered with nucleotide-induced domain rearrangements. INTRO
41 52 G interface site To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
57 67 determined experimental_method To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
72 84 GMPPNP-bound protein_state To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
85 102 crystal structure evidence To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
108 125 non-oligomerizing protein_state To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
126 131 Irga6 protein To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
132 139 variant protein_state To clarify the dimerization mode via the G interface, we determined the GMPPNP-bound crystal structure of a non-oligomerizing Irga6 variant. INTRO
4 13 structure evidence The structure revealed that Irga6 can dimerize via the G interface in a parallel head-to-head fashion. INTRO
28 33 Irga6 protein The structure revealed that Irga6 can dimerize via the G interface in a parallel head-to-head fashion. INTRO
38 46 dimerize oligomeric_state The structure revealed that Irga6 can dimerize via the G interface in a parallel head-to-head fashion. INTRO
55 66 G interface site The structure revealed that Irga6 can dimerize via the G interface in a parallel head-to-head fashion. INTRO
72 93 parallel head-to-head protein_state The structure revealed that Irga6 can dimerize via the G interface in a parallel head-to-head fashion. INTRO
24 32 parallel protein_state Our data suggest that a parallel dimerization mode may be a unifying feature in all dynamin and septin superfamily proteins. INTRO
84 91 dynamin protein_type Our data suggest that a parallel dimerization mode may be a unifying feature in all dynamin and septin superfamily proteins. INTRO
96 102 septin protein_type Our data suggest that a parallel dimerization mode may be a unifying feature in all dynamin and septin superfamily proteins. INTRO
32 37 Irga6 protein "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
38 47 mutations experimental_method "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
69 83 surface region site "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
90 105 secondary patch site "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
135 146 G-interface site "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
186 204 backside interface site "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
239 242 GTP chemical "Previous results indicated that Irga6 mutations in a loosely defined surface region (the ""secondary patch""), which is distant from the G-interface and only slightly overlapping with the backside interface (see below), individually reduced GTP-dependent oligomerization." RESULTS
2 40 combination of four of these mutations experimental_method A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
42 46 R31E mutant A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
48 52 K32E mutant A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
54 59 K176E mutant A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
65 70 K246E mutant A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
84 94 eliminated protein_state A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
95 98 GTP chemical A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
161 176 crystallization experimental_method A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
180 185 Irga6 protein A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
193 204 presence of protein_state A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
205 211 GMPPNP chemical A combination of four of these mutations (R31E, K32E, K176E, and K246E) essentially eliminated GTP-dependent assembly (Additional file 1: Figure S1) and allowed crystallization of Irga6 in the presence of GMPPNP. RESULTS
0 8 Crystals evidence Crystals diffracted to 3.2 Γ… resolution and displayed one exceptionally long unit cell axis of 1289 Γ… (Additional file 1: Table S1). RESULTS
4 13 structure evidence The structure was solved by molecular replacement and refined to Rwork/Rfree of 29.7 %/31.7 % (Additional file 1: Table S2). RESULTS
28 49 molecular replacement experimental_method The structure was solved by molecular replacement and refined to Rwork/Rfree of 29.7 %/31.7 % (Additional file 1: Table S2). RESULTS
65 70 Rwork evidence The structure was solved by molecular replacement and refined to Rwork/Rfree of 29.7 %/31.7 % (Additional file 1: Table S2). RESULTS
71 76 Rfree evidence The structure was solved by molecular replacement and refined to Rwork/Rfree of 29.7 %/31.7 % (Additional file 1: Table S2). RESULTS
36 41 Irga6 protein The asymmetric unit contained seven Irga6 molecules that were arranged in a helical pattern along the long cell axis (Additional file 1: Figure S2). RESULTS
0 9 Structure evidence Structure of the Irga6 dimer. FIG
17 22 Irga6 protein Structure of the Irga6 dimer. FIG
23 28 dimer oligomeric_state Structure of the Irga6 dimer. FIG
47 52 mouse taxonomy_domain a Schematic view of the domain architecture of mouse Irga6. FIG
53 58 Irga6 protein a Schematic view of the domain architecture of mouse Irga6. FIG
36 41 Irga6 protein b Ribbon-type representation of the Irga6 dimer. FIG
42 47 dimer oligomeric_state b Ribbon-type representation of the Irga6 dimer. FIG
19 23 Mg2+ chemical The nucleotide and Mg2+ ion (green) are shown in sphere representation. FIG
4 17 GTPase domain structure_element The GTPase domain dimer is boxed. FIG
18 23 dimer oligomeric_state The GTPase domain dimer is boxed. FIG
70 83 GTPase domain structure_element Secondary structure was numbered according to ref.. c Top view on the GTPase domain dimer. FIG
84 89 dimer oligomeric_state Secondary structure was numbered according to ref.. c Top view on the GTPase domain dimer. FIG
23 36 contact sites site d Magnification of the contact sites. FIG
2 15 Superposition experimental_method e Superposition of different switch I conformations in the asymmetric unit; the same colors as in Additional file 1: Figure S2 are used for the switch I regions of the individual subunits. FIG
29 37 switch I site e Superposition of different switch I conformations in the asymmetric unit; the same colors as in Additional file 1: Figure S2 are used for the switch I regions of the individual subunits. FIG
144 152 switch I site e Superposition of different switch I conformations in the asymmetric unit; the same colors as in Additional file 1: Figure S2 are used for the switch I regions of the individual subunits. FIG
0 8 Switch I site Switch I residues of subunit A (yellow) involved in ribose binding are labelled and shown in stick representation. FIG
29 30 A structure_element Switch I residues of subunit A (yellow) involved in ribose binding are labelled and shown in stick representation. FIG
0 5 Irga6 protein Irga6 immunity-related GTPase 6 FIG
6 31 immunity-related GTPase 6 protein Irga6 immunity-related GTPase 6 FIG
11 18 dynamin protein_type Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
44 57 GTPase domain structure_element Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
61 66 Irga6 protein Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
89 102 GTPase domain structure_element Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
124 131 Ξ²-sheet structure_element Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
146 153 helices structure_element Like other dynamin superfamily members, the GTPase domain of Irga6 comprises a canonical GTPase domain fold, with a central Ξ²-sheet surrounded by helices on both sides (Fig.Β 1a-c). RESULTS
4 18 helical domain structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
56 63 helices structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
64 68 Ξ±A-C structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
91 96 helix structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
97 101 Ξ±F-L structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
127 140 GTPase domain structure_element The helical domain is a bipartite structure composed of helices Ξ±A-C at the N-terminus and helix Ξ±F-L at the C-terminus of the GTPase domain. RESULTS
89 116 root mean square deviations evidence Overall, the seven molecules in the asymmetric unit are very similar to each other, with root mean square deviations (rmsd) ranging from 0.32 – 0.45 Γ… over all CΞ± atoms. RESULTS
118 122 rmsd evidence Overall, the seven molecules in the asymmetric unit are very similar to each other, with root mean square deviations (rmsd) ranging from 0.32 – 0.45 Γ… over all CΞ± atoms. RESULTS
4 14 structures evidence The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
85 94 structure evidence The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
98 104 native protein_state The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
105 117 GMPPNP-bound protein_state The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
118 123 Irga6 protein The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
136 140 rmsd evidence The structures of the seven molecules also agree well with the previously determined structure of native GMPPNP-bound Irga6 (PDB: 1TQ6; rmsd of 1.00-1.13 Γ… over all CΞ± atoms). RESULTS
10 15 Irga6 protein The seven Irga6 molecules in the asymmetric unit form various higher order contacts in the crystals. RESULTS
91 99 crystals evidence The seven Irga6 molecules in the asymmetric unit form various higher order contacts in the crystals. RESULTS
42 50 dimerize oligomeric_state Within the asymmetric unit, six molecules dimerize via the symmetric backside dimer interface (buried surface area 930 Γ…2), and the remaining seventh molecule forms the same type of interaction with its symmetry mate of the adjacent asymmetric unit (Additional file 1: Figure S2a, b, Figure S3). RESULTS
69 93 backside dimer interface site Within the asymmetric unit, six molecules dimerize via the symmetric backside dimer interface (buried surface area 930 Γ…2), and the remaining seventh molecule forms the same type of interaction with its symmetry mate of the adjacent asymmetric unit (Additional file 1: Figure S2a, b, Figure S3). RESULTS
35 44 mutations experimental_method This indicates that the introduced mutations in the secondary patch, from which only Lys176 is part of the backside interface, do, in fact, not prevent this interaction. RESULTS
52 67 secondary patch site This indicates that the introduced mutations in the secondary patch, from which only Lys176 is part of the backside interface, do, in fact, not prevent this interaction. RESULTS
85 91 Lys176 residue_name_number This indicates that the introduced mutations in the secondary patch, from which only Lys176 is part of the backside interface, do, in fact, not prevent this interaction. RESULTS
107 125 backside interface site This indicates that the introduced mutations in the secondary patch, from which only Lys176 is part of the backside interface, do, in fact, not prevent this interaction. RESULTS
8 26 assembly interface site Another assembly interface with a buried surface area of 450 Γ…2, which we call the β€œtertiary patch”, was formed via two interaction sites in the helical domains (Additional file 1: Figure S2c, d, S3). RESULTS
84 98 tertiary patch site Another assembly interface with a buried surface area of 450 Γ…2, which we call the β€œtertiary patch”, was formed via two interaction sites in the helical domains (Additional file 1: Figure S2c, d, S3). RESULTS
120 137 interaction sites site Another assembly interface with a buried surface area of 450 Γ…2, which we call the β€œtertiary patch”, was formed via two interaction sites in the helical domains (Additional file 1: Figure S2c, d, S3). RESULTS
145 160 helical domains structure_element Another assembly interface with a buried surface area of 450 Γ…2, which we call the β€œtertiary patch”, was formed via two interaction sites in the helical domains (Additional file 1: Figure S2c, d, S3). RESULTS
8 17 interface site In this interface, helices Ξ±K from two adjacent molecules form a hydrogen bonding network involving residues 373-376. RESULTS
19 26 helices structure_element In this interface, helices Ξ±K from two adjacent molecules form a hydrogen bonding network involving residues 373-376. RESULTS
27 29 Ξ±K structure_element In this interface, helices Ξ±K from two adjacent molecules form a hydrogen bonding network involving residues 373-376. RESULTS
65 89 hydrogen bonding network bond_interaction In this interface, helices Ξ±K from two adjacent molecules form a hydrogen bonding network involving residues 373-376. RESULTS
109 116 373-376 residue_range In this interface, helices Ξ±K from two adjacent molecules form a hydrogen bonding network involving residues 373-376. RESULTS
26 33 helices structure_element Furthermore, two adjacent helices Ξ±A form hydrophobic contacts. RESULTS
34 36 Ξ±A structure_element Furthermore, two adjacent helices Ξ±A form hydrophobic contacts. RESULTS
42 62 hydrophobic contacts bond_interaction Furthermore, two adjacent helices Ξ±A form hydrophobic contacts. RESULTS
33 48 double mutation protein_state It was previously shown that the double mutation L372R/A373R did not prevent GTP-induced assembly, so there is currently no evidence supporting an involvement of this interface in higher-order oligomerization. RESULTS
49 54 L372R mutant It was previously shown that the double mutation L372R/A373R did not prevent GTP-induced assembly, so there is currently no evidence supporting an involvement of this interface in higher-order oligomerization. RESULTS
55 60 A373R mutant It was previously shown that the double mutation L372R/A373R did not prevent GTP-induced assembly, so there is currently no evidence supporting an involvement of this interface in higher-order oligomerization. RESULTS
77 80 GTP chemical It was previously shown that the double mutation L372R/A373R did not prevent GTP-induced assembly, so there is currently no evidence supporting an involvement of this interface in higher-order oligomerization. RESULTS
167 176 interface site It was previously shown that the double mutation L372R/A373R did not prevent GTP-induced assembly, so there is currently no evidence supporting an involvement of this interface in higher-order oligomerization. RESULTS
21 22 A structure_element Strikingly, molecule A of one asymmetric unit assembled with an equivalent molecule of the adjacent asymmetric unit via the G-interface in a symmetric parallel fashion via a 470 Γ…2 interface. RESULTS
124 135 G-interface site Strikingly, molecule A of one asymmetric unit assembled with an equivalent molecule of the adjacent asymmetric unit via the G-interface in a symmetric parallel fashion via a 470 Γ…2 interface. RESULTS
151 159 parallel protein_state Strikingly, molecule A of one asymmetric unit assembled with an equivalent molecule of the adjacent asymmetric unit via the G-interface in a symmetric parallel fashion via a 470 Γ…2 interface. RESULTS
27 43 butterfly-shaped protein_state This assembly results in a butterfly-shaped Irga6 dimer in which the helical domains protrude in parallel orientations (Fig.Β 1b, Additional file 1: Figure S3). RESULTS
44 49 Irga6 protein This assembly results in a butterfly-shaped Irga6 dimer in which the helical domains protrude in parallel orientations (Fig.Β 1b, Additional file 1: Figure S3). RESULTS
50 55 dimer oligomeric_state This assembly results in a butterfly-shaped Irga6 dimer in which the helical domains protrude in parallel orientations (Fig.Β 1b, Additional file 1: Figure S3). RESULTS
69 84 helical domains structure_element This assembly results in a butterfly-shaped Irga6 dimer in which the helical domains protrude in parallel orientations (Fig.Β 1b, Additional file 1: Figure S3). RESULTS
97 105 parallel protein_state This assembly results in a butterfly-shaped Irga6 dimer in which the helical domains protrude in parallel orientations (Fig.Β 1b, Additional file 1: Figure S3). RESULTS
84 95 G interface site In contrast, the other six molecules in the asymmetric unit do not assemble via the G interface. RESULTS
4 15 G interface site The G interface in molecule A can be subdivided into three distinct contact sites (Fig.Β 1c, d). RESULTS
68 81 contact sites site The G interface in molecule A can be subdivided into three distinct contact sites (Fig.Β 1c, d). RESULTS
0 14 Contact site I site Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
33 37 R159 residue_name_number Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
42 46 K161 residue_name_number Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
54 77 trans stabilizing loops structure_element Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
83 87 S132 residue_name_number Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
95 104 switch II site Contact site I is formed between R159 and K161 in the trans stabilizing loops, and S132 in the switch II regions of the opposing molecules. RESULTS
0 15 Contact site II site Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
25 59 polar and hydrophobic interactions bond_interaction Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
70 78 switch I site Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
80 84 V104 residue_name_number Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
86 90 V107 residue_name_number Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
99 104 helix structure_element Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
119 144 guanine specificity motif structure_element Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
146 154 G4 helix structure_element Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
156 160 K184 residue_name_number Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
165 169 S187 residue_name_number Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
179 201 trans stabilizing loop structure_element Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
203 207 T158 residue_name_number Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
225 238 GTPase domain structure_element Contact site II features polar and hydrophobic interactions formed by switch I (V104, V107) with a helix following the guanine specificity motif (G4 helix, K184 and S187) and the trans stabilizing loop (T158) of the opposing GTPase domain. RESULTS
3 19 contact site III site In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
21 25 G103 residue_name_number In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
29 37 switch I site In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
134 140 ribose chemical In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
205 211 ribose chemical In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
217 231 hydrogen bonds bond_interaction In contact site III, G103 of switch I interacts via its main chain nitrogen with the exocyclic 2’-OH and 3’-OH groups of the opposing ribose in trans, whereas the two opposing exocyclic 3’-OH group of the ribose form hydrogen bonds with each other. RESULTS
8 14 ribose chemical Via the ribose contact, switch I is pulled towards the opposing nucleotide (Fig.Β 1e). RESULTS
24 32 switch I site Via the ribose contact, switch I is pulled towards the opposing nucleotide (Fig.Β 1e). RESULTS
64 74 nucleotide chemical Via the ribose contact, switch I is pulled towards the opposing nucleotide (Fig.Β 1e). RESULTS
9 13 E106 residue_name_number In turn, E106 of switch I reorients towards the nucleotide and now participates in the coordination of the Mg2+ ion (Fig.Β 1e, Additional file 1: Figure S4). RESULTS
17 25 switch I site In turn, E106 of switch I reorients towards the nucleotide and now participates in the coordination of the Mg2+ ion (Fig.Β 1e, Additional file 1: Figure S4). RESULTS
48 58 nucleotide chemical In turn, E106 of switch I reorients towards the nucleotide and now participates in the coordination of the Mg2+ ion (Fig.Β 1e, Additional file 1: Figure S4). RESULTS
87 102 coordination of bond_interaction In turn, E106 of switch I reorients towards the nucleotide and now participates in the coordination of the Mg2+ ion (Fig.Β 1e, Additional file 1: Figure S4). RESULTS
107 111 Mg2+ chemical In turn, E106 of switch I reorients towards the nucleotide and now participates in the coordination of the Mg2+ ion (Fig.Β 1e, Additional file 1: Figure S4). RESULTS
0 4 E106 residue_name_number E106 was previously shown to be essential for catalysis, and the observed interactions in contact site III explain how dimerization via the ribose is directly coupled to the activation of GTP hydrolysis. RESULTS
90 106 contact site III site E106 was previously shown to be essential for catalysis, and the observed interactions in contact site III explain how dimerization via the ribose is directly coupled to the activation of GTP hydrolysis. RESULTS
140 146 ribose chemical E106 was previously shown to be essential for catalysis, and the observed interactions in contact site III explain how dimerization via the ribose is directly coupled to the activation of GTP hydrolysis. RESULTS
188 191 GTP chemical E106 was previously shown to be essential for catalysis, and the observed interactions in contact site III explain how dimerization via the ribose is directly coupled to the activation of GTP hydrolysis. RESULTS
4 15 G interface site The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
111 114 E77 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
116 120 G103 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
122 126 E106 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
128 132 S132 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
134 138 R159 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
140 144 K161 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
146 150 K162 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
152 156 D164 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
158 162 N191 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
168 172 K196 residue_name_number The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
221 224 GTP chemical The G interface is in full agreement with previously published biochemical data that indicate crucial roles of E77, G103, E106, S132, R159, K161, K162, D164, N191, and K196 for oligomerization and oligomerization-induced GTP hydrolysis. RESULTS
56 60 G103 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
62 66 S132 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
68 72 R159 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
78 82 K161 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
117 126 interface site All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
128 131 E77 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
133 137 E106 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
139 143 K162 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
145 149 D164 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
155 159 N191 residue_name_number All of these residues directly participate in contacts (G103, S132, R159, and K161) or are in direct vicinity to the interface (E77, E106, K162, D164, and N191). RESULTS
9 12 E77 residue_name_number Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
14 18 K162 residue_name_number Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
24 28 D164 residue_name_number Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
50 72 trans stabilizing loop structure_element Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
94 103 interface site Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
117 132 contact site II site Residues E77, K162, and D164 appear to orient the trans stabilizing loop which is involved in interface formation in contact site II. RESULTS
27 40 anti-parallel protein_state In the earlier model of an anti-parallel G interface, it was not possible to position the side chain of R159 to avoid steric conflict. RESULTS
41 52 G interface site In the earlier model of an anti-parallel G interface, it was not possible to position the side chain of R159 to avoid steric conflict. RESULTS
104 108 R159 residue_name_number In the earlier model of an anti-parallel G interface, it was not possible to position the side chain of R159 to avoid steric conflict. RESULTS
15 24 structure evidence In the present structure, the side-chain of R159 projects laterally along the G interface and, therefore, does not cause a steric conflict. RESULTS
44 48 R159 residue_name_number In the present structure, the side-chain of R159 projects laterally along the G interface and, therefore, does not cause a steric conflict. RESULTS
78 89 G interface site In the present structure, the side-chain of R159 projects laterally along the G interface and, therefore, does not cause a steric conflict. RESULTS
38 49 G interface site A conserved dimerization mode via the G interface in dynamin and septin GTPases. FIG
53 60 dynamin protein_type A conserved dimerization mode via the G interface in dynamin and septin GTPases. FIG
65 79 septin GTPases protein_type A conserved dimerization mode via the G interface in dynamin and septin GTPases. FIG
32 40 parallel protein_state The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
41 54 GTPase domain structure_element The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
55 60 dimer oligomeric_state The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
64 69 Irga6 protein The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
98 105 dynamin protein_type The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
110 116 septin protein_type The overall architecture of the parallel GTPase domain dimer of Irga6 is related to that of other dynamin and septin superfamily proteins. FIG
14 24 structures evidence The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
97 111 GTPase domains structure_element The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
119 131 GMPPNP-bound protein_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
132 137 Irga6 protein The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
138 143 dimer oligomeric_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
168 177 dynamin 1 protein The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
178 192 GTPase-minimal structure_element The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
225 234 GDP-bound protein_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
235 245 atlastin 1 protein The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
246 251 dimer oligomeric_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
270 285 GDP-AlF3- bound protein_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
286 290 GBP1 protein The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
291 304 GTPase domain structure_element The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
305 310 dimer oligomeric_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
329 333 BDLP protein_type The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
334 339 dimer oligomeric_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
340 348 bound to protein_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
349 352 GDP chemical The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
374 383 GTP-bound protein_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
384 390 GIMAP2 protein The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
391 396 dimer oligomeric_state The following structures are shown in cylinder representations, in similar orientations of their GTPase domains: a the GMPPNP-bound Irga6 dimer, b the GDP-AlF4 --bound dynamin 1 GTPase-minimal BSE construct [pdb 2X2E], c the GDP-bound atlastin 1 dimer [pdb 3Q5E], d the GDP-AlF3- bound GBP1 GTPase domain dimer [pdb 2B92], e the BDLP dimer bound to GDP [pdb 2J68] and f the GTP-bound GIMAP2 dimer [pdb 2XTN]. FIG
4 18 GTPase domains structure_element The GTPase domains of the left molecules are shown in orange, helical domains or extensions in blue. FIG
62 77 helical domains structure_element The GTPase domains of the left molecules are shown in orange, helical domains or extensions in blue. FIG
12 16 Mg2+ chemical Nucleotide, Mg2+ (green) and AlF4 - are shown in sphere representation, the buried interface sizes per molecule are indicated on the right. FIG
83 92 interface site Nucleotide, Mg2+ (green) and AlF4 - are shown in sphere representation, the buried interface sizes per molecule are indicated on the right. FIG
0 5 Irga6 protein Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
6 31 immunity-related GTPase 6 protein Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
33 39 GMPPNP chemical Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
40 68 5'-guanylyl imidodiphosphate chemical Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
70 73 GTP chemical Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
74 96 guanosine-triphosphate chemical Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
98 102 BDLP protein_type Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
103 112 bacterial taxonomy_domain Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
113 133 dynamin like protein protein_type Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
135 141 GIMAP2 protein Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
143 182 GTPase of immunity associated protein 2 protein Irga6 immunity-related GTPase 6, GMPPNP 5'-guanylyl imidodiphosphate, GTP guanosine-triphosphate, BDLP bacterial dynamin like protein, GIMAP2, GTPase of immunity associated protein 2 FIG
50 61 G interface site The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
65 70 Irga6 protein The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
126 133 dynamin protein_type The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
163 170 dynamin protein_type The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
187 195 atlastin protein_type The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
211 216 GBP-1 protein The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
233 237 BDLP protein_type The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
260 314 septin-related GTPase of immunity associated protein 2 protein The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
316 322 GIMAP2 protein The buried surface area per molecule (BSA) of the G interface in Irga6 is relatively small (470 Γ…2) compared to that of other dynamin superfamily members, such as dynamin (BSA: 1400 Γ…2), atlastin (BSA: 820 Γ…2), GBP-1 (BSA: 2060 Γ…2), BDLP (BSA: 2300 Γ…2) or the septin-related GTPase of immunity associated protein 2 (GIMAP2) (BSA: 590 Γ…2) (Fig.Β 2). RESULTS
42 56 GTPase domains structure_element However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
66 72 dimers oligomeric_state However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
128 136 switch I site However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
138 147 switch II site However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
153 182 trans activating and G4 loops structure_element However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
203 211 parallel protein_state However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
246 252 GTPase protein_type However, the relative orientations of the GTPase domains in these dimers are strikingly similar, and the same elements, such as switch I, switch II, the trans activating and G4 loops are involved in the parallel dimerization mode in all of these GTPase families. RESULTS
0 3 IRG protein_type IRG proteins are crucial mediators of the innate immune response in mice against a specific subset of intracellular pathogens, all of which enter the cell to form a membrane-bounded vacuole without engagement of the phagocytic machinery. DISCUSS
68 72 mice taxonomy_domain IRG proteins are crucial mediators of the innate immune response in mice against a specific subset of intracellular pathogens, all of which enter the cell to form a membrane-bounded vacuole without engagement of the phagocytic machinery. DISCUSS
18 25 dynamin protein_type As members of the dynamin superfamily, IRGs oligomerize at cellular membranes in response to GTP binding. DISCUSS
39 43 IRGs protein_type As members of the dynamin superfamily, IRGs oligomerize at cellular membranes in response to GTP binding. DISCUSS
93 96 GTP chemical As members of the dynamin superfamily, IRGs oligomerize at cellular membranes in response to GTP binding. DISCUSS
44 47 GTP chemical Oligomerization and oligomerization-induced GTP hydrolysis are thought to induce membrane remodeling events ultimately leading to disruption of the PVM. DISCUSS
7 42 structural and mechanistic analyses experimental_method Recent structural and mechanistic analyses have begun to unravel the molecular basis for the membrane-remodeling activity and mechano-chemical function of some members (reviewed in). DISCUSS
17 24 dynamin protein_type For example, for dynamin and atlastin, it was shown that GTP binding and/or hydrolysis leads to dimerization of the GTPase domains and to the reorientation of the adjacent helical domains. DISCUSS
29 37 atlastin protein_type For example, for dynamin and atlastin, it was shown that GTP binding and/or hydrolysis leads to dimerization of the GTPase domains and to the reorientation of the adjacent helical domains. DISCUSS
57 60 GTP chemical For example, for dynamin and atlastin, it was shown that GTP binding and/or hydrolysis leads to dimerization of the GTPase domains and to the reorientation of the adjacent helical domains. DISCUSS
116 130 GTPase domains structure_element For example, for dynamin and atlastin, it was shown that GTP binding and/or hydrolysis leads to dimerization of the GTPase domains and to the reorientation of the adjacent helical domains. DISCUSS
172 187 helical domains structure_element For example, for dynamin and atlastin, it was shown that GTP binding and/or hydrolysis leads to dimerization of the GTPase domains and to the reorientation of the adjacent helical domains. DISCUSS
19 26 dynamin protein_type However, for other dynamin superfamily members such as IRGs, the molecular basis for GTP hydrolysis and the exact role of the mechano-chemical function are still unclear. DISCUSS
55 59 IRGs protein_type However, for other dynamin superfamily members such as IRGs, the molecular basis for GTP hydrolysis and the exact role of the mechano-chemical function are still unclear. DISCUSS
85 88 GTP chemical However, for other dynamin superfamily members such as IRGs, the molecular basis for GTP hydrolysis and the exact role of the mechano-chemical function are still unclear. DISCUSS
4 23 structural analysis experimental_method Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
30 67 oligomerization- and GTPase-defective protein_state Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
68 73 Irga6 protein Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
74 80 mutant protein_state Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
96 101 Irga6 protein Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
102 111 dimerizes oligomeric_state Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
120 131 G interface site Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
137 145 parallel protein_state Our structural analysis of an oligomerization- and GTPase-defective Irga6 mutant indicates that Irga6 dimerizes via the G interface in a parallel orientation. DISCUSS
22 27 Irga6 protein Only one of the seven Irga6 molecules in the asymmetric unit formed this contact pointing to a low affinity interaction via the G interface, which is in agreement with its small size. DISCUSS
128 139 G interface site Only one of the seven Irga6 molecules in the asymmetric unit formed this contact pointing to a low affinity interaction via the G interface, which is in agreement with its small size. DISCUSS
7 15 crystals evidence In the crystals, dimerization via the G interface is promoted by the high protein concentrations which may mimic a situation when Irga6 oligomerizes on a membrane surface. DISCUSS
38 49 G interface site In the crystals, dimerization via the G interface is promoted by the high protein concentrations which may mimic a situation when Irga6 oligomerizes on a membrane surface. DISCUSS
130 135 Irga6 protein In the crystals, dimerization via the G interface is promoted by the high protein concentrations which may mimic a situation when Irga6 oligomerizes on a membrane surface. DISCUSS
90 93 GTP chemical Such a low affinity interaction mode may allow reversibility of oligomerization following GTP hydrolysis. DISCUSS
21 32 G interface site Similar low affinity G interface interactions were reported for dynamin and MxA. DISCUSS
64 71 dynamin protein_type Similar low affinity G interface interactions were reported for dynamin and MxA. DISCUSS
76 79 MxA protein Similar low affinity G interface interactions were reported for dynamin and MxA. DISCUSS
75 88 anti-parallel protein_state The dimerization mode is strikingly different from the previously proposed anti-parallel model that was based on the crystal structure of the signal recognition particle GTPase, SRP54 and its homologous receptor. DISCUSS
117 134 crystal structure evidence The dimerization mode is strikingly different from the previously proposed anti-parallel model that was based on the crystal structure of the signal recognition particle GTPase, SRP54 and its homologous receptor. DISCUSS
142 176 signal recognition particle GTPase protein_type The dimerization mode is strikingly different from the previously proposed anti-parallel model that was based on the crystal structure of the signal recognition particle GTPase, SRP54 and its homologous receptor. DISCUSS
178 183 SRP54 protein The dimerization mode is strikingly different from the previously proposed anti-parallel model that was based on the crystal structure of the signal recognition particle GTPase, SRP54 and its homologous receptor. DISCUSS
13 30 G dimer interface site However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
53 66 GTPase domain structure_element However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
67 73 dimers oligomeric_state However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
101 108 dynamin protein_type However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
138 145 dynamin protein_type However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
147 151 GBP1 protein However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
153 161 atlastin protein_type However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
167 171 BDLP protein_type However, the G dimer interface is reminiscent of the GTPase domain dimers observed for several other dynamin superfamily members, such as dynamin, GBP1, atlastin, and BDLP. DISCUSS
27 33 septin protein_type It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
38 60 septin-related GTPases protein_type It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
74 86 Tocs GTPases protein_type It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
90 126 GTPases of immunity related proteins protein_type It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
128 134 GIMAPs protein_type It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
151 154 GTP chemical It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
165 173 parallel protein_state It was recently shown that septin and septin-related GTPases, such as the Tocs GTPases or GTPases of immunity related proteins (GIMAPs), also employ a GTP-dependent parallel dimerization mode. DISCUSS
9 45 phylogenetic and structural analysis experimental_method Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
79 86 dynamin protein_type Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
91 97 septin protein_type Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
148 174 membrane-associated GTPase protein_type Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
191 194 GTP chemical Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
205 213 parallel protein_state Based on phylogenetic and structural analysis, these observations suggest that dynamin and septin superfamilies are derived from a common ancestral membrane-associated GTPase that featured a GTP-dependent parallel dimerization mode. DISCUSS
41 45 IRGs protein_type Importantly, our analysis indicates that IRGs are not outliers, but bona-fide representatives of the dynamin superfamily. DISCUSS
101 108 dynamin protein_type Importantly, our analysis indicates that IRGs are not outliers, but bona-fide representatives of the dynamin superfamily. DISCUSS
52 58 septin protein_type Whereas the overall dimerization mode is similar in septin and dynamin GTPases, family-specific differences in the G interface and the oligomerization interfaces exist. DISCUSS
63 78 dynamin GTPases protein_type Whereas the overall dimerization mode is similar in septin and dynamin GTPases, family-specific differences in the G interface and the oligomerization interfaces exist. DISCUSS
115 126 G interface site Whereas the overall dimerization mode is similar in septin and dynamin GTPases, family-specific differences in the G interface and the oligomerization interfaces exist. DISCUSS
135 161 oligomerization interfaces site Whereas the overall dimerization mode is similar in septin and dynamin GTPases, family-specific differences in the G interface and the oligomerization interfaces exist. DISCUSS
63 69 ribose chemical For example, the involvement of the 2’ and 3’-OH groups of the ribose in the dimerization interface of Irga6 has not been observed for other dynamin and septin superfamily members. DISCUSS
77 99 dimerization interface site For example, the involvement of the 2’ and 3’-OH groups of the ribose in the dimerization interface of Irga6 has not been observed for other dynamin and septin superfamily members. DISCUSS
103 108 Irga6 protein For example, the involvement of the 2’ and 3’-OH groups of the ribose in the dimerization interface of Irga6 has not been observed for other dynamin and septin superfamily members. DISCUSS
141 148 dynamin protein_type For example, the involvement of the 2’ and 3’-OH groups of the ribose in the dimerization interface of Irga6 has not been observed for other dynamin and septin superfamily members. DISCUSS
153 159 septin protein_type For example, the involvement of the 2’ and 3’-OH groups of the ribose in the dimerization interface of Irga6 has not been observed for other dynamin and septin superfamily members. DISCUSS
50 55 Irga6 protein The surface-exposed location of the ribose in the Irga6 structure, with a wide-open nucleotide-binding pocket, facilitates its engagement in the dimerization interface. DISCUSS
56 65 structure evidence The surface-exposed location of the ribose in the Irga6 structure, with a wide-open nucleotide-binding pocket, facilitates its engagement in the dimerization interface. DISCUSS
74 83 wide-open protein_state The surface-exposed location of the ribose in the Irga6 structure, with a wide-open nucleotide-binding pocket, facilitates its engagement in the dimerization interface. DISCUSS
84 109 nucleotide-binding pocket site The surface-exposed location of the ribose in the Irga6 structure, with a wide-open nucleotide-binding pocket, facilitates its engagement in the dimerization interface. DISCUSS
145 167 dimerization interface site The surface-exposed location of the ribose in the Irga6 structure, with a wide-open nucleotide-binding pocket, facilitates its engagement in the dimerization interface. DISCUSS
43 46 GTP chemical This contact, in turn, appears to activate GTP hydrolysis by inducing rearrangements in switch I and the positioning of the catalytic E106. DISCUSS
88 96 switch I site This contact, in turn, appears to activate GTP hydrolysis by inducing rearrangements in switch I and the positioning of the catalytic E106. DISCUSS
124 133 catalytic protein_state This contact, in turn, appears to activate GTP hydrolysis by inducing rearrangements in switch I and the positioning of the catalytic E106. DISCUSS
134 138 E106 residue_name_number This contact, in turn, appears to activate GTP hydrolysis by inducing rearrangements in switch I and the positioning of the catalytic E106. DISCUSS
23 27 GBP1 protein During dimerization of GBP1, an arginine finger from the P loop reorients towards the nucleotide in cis to trigger GTP hydrolysis. DISCUSS
32 47 arginine finger structure_element During dimerization of GBP1, an arginine finger from the P loop reorients towards the nucleotide in cis to trigger GTP hydrolysis. DISCUSS
57 63 P loop structure_element During dimerization of GBP1, an arginine finger from the P loop reorients towards the nucleotide in cis to trigger GTP hydrolysis. DISCUSS
86 96 nucleotide chemical During dimerization of GBP1, an arginine finger from the P loop reorients towards the nucleotide in cis to trigger GTP hydrolysis. DISCUSS
115 118 GTP chemical During dimerization of GBP1, an arginine finger from the P loop reorients towards the nucleotide in cis to trigger GTP hydrolysis. DISCUSS
3 10 dynamin protein_type In dynamin, the corresponding serine residue coordinates a sodium ion that is crucial for GTP hydrolysis. DISCUSS
30 36 serine residue_name In dynamin, the corresponding serine residue coordinates a sodium ion that is crucial for GTP hydrolysis. DISCUSS
59 65 sodium chemical In dynamin, the corresponding serine residue coordinates a sodium ion that is crucial for GTP hydrolysis. DISCUSS
90 93 GTP chemical In dynamin, the corresponding serine residue coordinates a sodium ion that is crucial for GTP hydrolysis. DISCUSS
0 5 Irga6 protein Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
12 17 Gly79 residue_name_number Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
49 59 dimerizing oligomeric_state Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
69 70 A structure_element Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
119 125 GMPPNP chemical Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
143 156 hydrogen bond bond_interaction Irga6 bears Gly79 at this position, which in the dimerizing molecule A appears to approach the bridging imido group of GMPPNP via a main chain hydrogen bond. DISCUSS
18 28 structures evidence Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
36 41 Irga6 protein Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
42 47 dimer oligomeric_state Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
55 66 presence of protein_state Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
124 129 Gly79 residue_name_number Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
155 158 GTP chemical Higher resolution structures of the Irga6 dimer in the presence of a transition state analogue are required to show whether Gly79 directly participates in GTP hydrolysis or whether it may also position a catalytic cation. DISCUSS
3 10 dynamin protein_type In dynamin, further assembly sites are provided by the helical domains which assemble in a criss-cross fashion to form a helical filament. DISCUSS
20 34 assembly sites site In dynamin, further assembly sites are provided by the helical domains which assemble in a criss-cross fashion to form a helical filament. DISCUSS
55 70 helical domains structure_element In dynamin, further assembly sites are provided by the helical domains which assemble in a criss-cross fashion to form a helical filament. DISCUSS
121 137 helical filament structure_element In dynamin, further assembly sites are provided by the helical domains which assemble in a criss-cross fashion to form a helical filament. DISCUSS
3 60 dynamin-related Eps15 homology domain containing proteins protein_type In dynamin-related Eps15 homology domain containing proteins (EHDs), a second assembly interface is present in the GTPase domain. DISCUSS
62 66 EHDs protein_type In dynamin-related Eps15 homology domain containing proteins (EHDs), a second assembly interface is present in the GTPase domain. DISCUSS
71 96 second assembly interface site In dynamin-related Eps15 homology domain containing proteins (EHDs), a second assembly interface is present in the GTPase domain. DISCUSS
115 128 GTPase domain structure_element In dynamin-related Eps15 homology domain containing proteins (EHDs), a second assembly interface is present in the GTPase domain. DISCUSS
4 9 Irga6 protein For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
22 32 interfaces site For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
40 54 helical domain structure_element For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
111 126 secondary patch site For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
142 150 mutation experimental_method For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
184 196 crystallized evidence For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
197 203 mutant protein_state For Irga6, additional interfaces in the helical domain are presumably involved in oligomerization, such as the secondary patch residues whose mutation prevented oligomerization in the crystallized mutant. DISCUSS
8 26 structural studies experimental_method Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
39 67 electron microscopy analysis experimental_method Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
75 80 Irga6 protein Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
81 90 oligomers oligomeric_state Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
142 157 helical domains structure_element Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
180 190 interfaces site Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
210 221 G interface site Further structural studies, especially electron microscopy analysis of the Irga6 oligomers, are required to clarify the assembly mode via the helical domains and to show how these interfaces cooperate with the G interface to mediate the regulated assembly on a membrane surface. DISCUSS
56 70 helical domain structure_element Notably, we did not observe major rearrangements of the helical domain versus the GTPase domain in the Irga6 molecules that dimerized via the G interface. DISCUSS
82 95 GTPase domain structure_element Notably, we did not observe major rearrangements of the helical domain versus the GTPase domain in the Irga6 molecules that dimerized via the G interface. DISCUSS
103 108 Irga6 protein Notably, we did not observe major rearrangements of the helical domain versus the GTPase domain in the Irga6 molecules that dimerized via the G interface. DISCUSS
124 133 dimerized protein_state Notably, we did not observe major rearrangements of the helical domain versus the GTPase domain in the Irga6 molecules that dimerized via the G interface. DISCUSS
142 153 G interface site Notably, we did not observe major rearrangements of the helical domain versus the GTPase domain in the Irga6 molecules that dimerized via the G interface. DISCUSS
23 27 BDLP protein_type In a manner similar to BDLP, such large-scale conformational changes may be induced by membrane binding. DISCUSS
4 23 structural analysis experimental_method Our structural analysis and the identification of the G-interface paves the way for determining the specific assembly of Irga6 into a membrane-associated scaffold as the prerequisite to understand its action as an anti-parasitic machine. DISCUSS
54 65 G-interface site Our structural analysis and the identification of the G-interface paves the way for determining the specific assembly of Irga6 into a membrane-associated scaffold as the prerequisite to understand its action as an anti-parasitic machine. DISCUSS
121 126 Irga6 protein Our structural analysis and the identification of the G-interface paves the way for determining the specific assembly of Irga6 into a membrane-associated scaffold as the prerequisite to understand its action as an anti-parasitic machine. DISCUSS
25 28 Irg protein_type Our study indicates that Irg proteins dimerize via the G interface in a parallel head-to-head fashion thereby facilitating GTPase activation. CONCL
38 46 dimerize oligomeric_state Our study indicates that Irg proteins dimerize via the G interface in a parallel head-to-head fashion thereby facilitating GTPase activation. CONCL
55 66 G interface site Our study indicates that Irg proteins dimerize via the G interface in a parallel head-to-head fashion thereby facilitating GTPase activation. CONCL
72 93 parallel head-to-head protein_state Our study indicates that Irg proteins dimerize via the G interface in a parallel head-to-head fashion thereby facilitating GTPase activation. CONCL
123 129 GTPase protein_type Our study indicates that Irg proteins dimerize via the G interface in a parallel head-to-head fashion thereby facilitating GTPase activation. CONCL
91 94 Irg protein_type These findings contribute to a molecular understanding of the anti-parasitic action of the Irg protein family and suggest that Irgs are bona-fide members of the dynamin superfamily. CONCL
127 131 Irgs protein_type These findings contribute to a molecular understanding of the anti-parasitic action of the Irg protein family and suggest that Irgs are bona-fide members of the dynamin superfamily. CONCL
161 168 dynamin protein_type These findings contribute to a molecular understanding of the anti-parasitic action of the Irg protein family and suggest that Irgs are bona-fide members of the dynamin superfamily. CONCL