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14
Q92542
P49810
1
binding
up-regulates
0.941
Nicastrin, a transmembrane glycoprotein, forms high molecular weight complexes with presenilin 1 and presenilin 2.
SIGNOR-81936
P62873
P59768
2
binding
up-regulates activity
0.94
GNB1 dissociates from the receptor, bound with GNG2 as stable dimer
SIGNOR-251105
P12956
P78527
2
relocalization
up-regulates
0.94
Ku and dna-pkcs only interact in the presence of dna and recruitment of dna-pkcs to sites of dna damage in vivo is ku-dependent. Inward translocation of ku allows dna-pkcs to interact with the extreme termini of the dna, allowing two dna-pkcs molecules to interact across the dsb in a so-called synaptic complex . This interaction stimulates the kinase activity of dna-pkcs, promoting phosphorylation in trans across the dsb (discussed in more detail below). Once assembled at the dna ends, the dna-pkcs-ku-dsb complex serves to tether the ends of the dsb together and protects the dna ends from nuclease attack.
SIGNOR-183276
P59768
P62873
2
binding
up-regulates activity
0.94
GNG2 dissociates from the activated receptor, bound with GNB1 as stable dimer.
SIGNOR-251106
P78527
P12956
2
phosphorylation
up-regulates activity
0.94
Ku70 phosphorylation occurs within minutes of genotoxic stress and involves DNA-PKcs and/or ATM kinase activities.By using specific vectors enabling the simultaneous shRNA-mediated inhibition of endogenous Ku70 and the expression of exogenous Ku70 resistant to shRNA (i.e. S27-S33-Ku70 and A27-A33-Ku70 expressing cells), we showed that phospho-Ku70 contributes to faster but error-prone DNA repair resulting in higher levels of chromosomal breaks.
SIGNOR-274023
Q14289
P49023
1
phosphorylation
down-regulates quantity by destabilization
0.94
P130Cas and paxillin can be phosphorylated by Fak or Pyk2, and bind directly to these kinases.
SIGNOR-279272
P34130
Q16620
1
binding
up-regulates
0.94
Its interactions with trkb can be distinguished from those of brain-derived neurotrophic factor (bdnf) with trkb.
SIGNOR-31644
Q15633
Q9UPY3
1
binding
up-regulates
0.94
Dicer and trbp interact in vivo and in vitro /our data indicate that trbp is primarily required for the assembly and/or functioning of si? Or mi?RISCs In mammalian cells, but it may also facilitate the cleavage of pre?miRNAs By dicer.
SIGNOR-140226
Q8WW43
Q92542
1
binding
up-regulates
0.94
By using co-immunoprecipitation and nickel affinity pull-down approaches, we now show that mammalian aph-1 (maph-1), a conserved multipass membrane protein, physically associates with nicastrin and the heterodimers of the presenilin amino- and carboxyl-terminal fragments in human cell lines and in rat brain.These data indicate that maph-1 is probably a functional component of the gamma-secretase complex
SIGNOR-93307
P98170
P42574
1
ubiquitination
down-regulates quantity by destabilization
0.939
Xiap promotes the degradation of active-form caspase-3, but not procaspase-3, in living cells. Both the association of XIAP with caspase-3 and the RING finger domain of XIAP were essential for ubiquitination. XIAP promotes the degradation of caspase-3, which enhances its anti-apoptotic effect.
SIGNOR-109243
Q7RTN6
Q15831
2
phosphorylation
up-regulates quantity
0.939
Furthermore, interaction of STRAD with LKB1 promoted LKB1 phosphorylation at a PKA site S431 and elevated the LKB1 level, and overexpressing LKB1 with a serine-to-alanine mutation at S431 (LKB1 (S431A)) prevented axon differentiation.
SIGNOR-280149
Q15831
Q7RTN6
2
phosphorylation
up-regulates activity
0.939
Endogenous LKB1 and STRAD form a complex in which STRAD activates LKB1, resulting in phosphorylation of both partners.LKB1 phosphorylates STRAD at Thr329 and Thr419
SIGNOR-261950
Q13541
P06730
1
binding
down-regulates activity
0.939
The rate-limiting factor for translation is eukaryotic translation initiation factor 4E (eIF4E), which is negatively regulated by eIF4E-binding protein 1 (4E-BP1).
SIGNOR-167176
Q99570
Q8NEB9
1
binding
up-regulates
0.939
Recombinant p150 associated with ptdins 3-kinase in vitro in a stable manner, resulting in a 2-fold increase in lipid kinase activity.
SIGNOR-45664
P51532
Q8TAQ2
1
binding
up-regulates
0.939
The remodeling activity of brg1 and hbrm is stimulated by baf170/baf155 and is further stimulated when ini1 is added.
SIGNOR-65444
P09603
P07333
1
binding
up-regulates activity
0.938
The CSF-1 receptor (CSF-1R) is activated by the homodimeric growth factors colony-stimulating factor-1 (CSF-1) and interleukin-34 (IL-34)
SIGNOR-255568
O00512
P35222
1
binding
up-regulates
0.938
The transcriptional activity of beta-catenin depends on bcl-9. Bcl-9 functions in targeting beta-catenin to the nucleus and thus increases the transcriptional activity of beta-catenin
SIGNOR-126059
O14965
Q9Y6A5
1
phosphorylation
up-regulates activity
0.937
We show that this conserved serine on human TACC3 (Ser(558)) is also phosphorylated by Aurora A. Moreover, phosphorylation of TACC3 by Aurora A in human cells is essential for its proper localization to centrosomes and proximal mitotic spindles. Inhibition of Aurora A with the selective small molecule inhibitor MLN8054 in cultured human tumor cells resulted in mislocalization of TACC3 away from mitotic spindles in a concentration-dependent manner.
SIGNOR-262655
P13501
P51681
1
binding
up-regulates activity
0.937
CCL5, also known RANTES (regulated on activation, normal T cell expressed and secreted), is a potent chemoattractant for a variety of leukocytes, including T cells, mono- cytes, NK cells, and basophils, signaling via the CCR1, CCR3, and CCR5 cell surface receptors [59]. Among these receptors, CCL5 has the highest affinity for CCR5.
SIGNOR-277726
P23443
P62753
1
phosphorylation
up-regulates activity
0.937
A knockin mouse carrying mutations at all phosphorylation sites in the primary s6k substrate, ribosomal protein s6 (rps6), has provided insight into the physiological role of this protein phosphorylation event. Of the many known substrates of s6k1, it is rps6 that has been shown to be directly involved, via its phosphorylation, in controlling cell size.
SIGNOR-135176
O95352
O94817
1
binding
up-regulates
0.937
Analogous to ubiquitination, atg12 is conjugated to atg5 by atg7--an e1-like protein--and atg10--an e2-like protein.
SIGNOR-180132
O95786
Q7Z434
1
binding
up-regulates activity
0.937
Initially, RIG-I and MDA5 sense dsRNA in the cytoplasm, produced as a by-product of RNA virus replication.Once one or both of these sensors are activated, they interact with a mitochondrial membrane protein called MAVS (mitochondrial antiviral) (also called IPS1, Cardif, and VISA). They signal to the mitochondrial membrane protein MAVS, which in turn activates the kinases TBK1 and IKKɛ.
SIGNOR-260139
P20827
P29317
1
binding
up-regulates
0.937
Ephrin-a1 binds and activates the tyrosine kinase activity of eph-a2, and has a dissociation constant of 20_30 nm
SIGNOR-56901
Q15628
Q13546
1
binding
up-regulates activity
0.937
We show that tradd interacts strongly with rip;rip is a serinethreonine kinase that is recruited by tradd to tnfr1 in a tnf-dependent process.
SIGNOR-40043
Q9NYJ8
O43318
1
binding
up-regulates activity
0.936
Our results indicate that two distinct TAK1 complexes are present in cells. One comprises TAK1 complexed with TAB1 and TAB2, and the other TAK1 complexed with TAB1 and TAB3. Both complexes are activated in response to tumour necrosis factor-alpha or interleukin-1 in human epithelial KB cells or bacterial lipopolysaccharide in RAW264.7 macrophages
SIGNOR-120268
P42336
P27986
2
phosphorylation
up-regulates activity
0.936
We find that p110 alpha phosphorylates p85 alpha Ser608 in vivo with significant stoichiometry. However, p110 beta is far less efficient at phosphorylating p85 alpha Ser608, identifying a potential difference in the mechanisms by which these two isoforms are regulated. The p85 alpha Ser608 phosphorylation was increased by treatment with insulin, platelet-derived growth factor, and the phosphatase inhibitor okadaic acid. The functional effects of this phosphorylation are highlighted by mutation of Ser608, which results in reduced lipid kinase activity and reduced association of the p110 alpha catalytic subunit with p85 alpha. 
SIGNOR-276004
Q8NEB9
Q14457
1
binding
up-regulates activity
0.936
The beclin 1-vps34 interaction regulates autophagy.
SIGNOR-184521
P27986
P42336
2
binding
up-regulates activity
0.936
Signal transduction pathways triggered by Tie2 have been extensively examined. Tyr-1101of Tie2 directly associates in a phosphotyrosine (pTyr)-dependent manner with the p85 regulatory subunit of phosphatidylinositol (PI) 3-kinase, which in turn activate PI 3-kinase, leading to cell motility and survival
SIGNOR-242637
Q9NZQ7
Q15116
1
binding
up-regulates
0.936
Pd-l1, was found to bind pd-1 specifically. The functional significance of this interaction has been demonstrated in t cell assays, in which engagement of pd-1 by pd-l1 leads to the inhibition of tcr-mediated lymphocyte proliferation and cytokine secretion.
SIGNOR-82604
P51671
P51677
1
binding
up-regulates
0.936
Eotaxin (CCL11) is a specific ligand for CCR3 and serves as a potent chemoattractant for eosinophils
SIGNOR-254356
Q7LG56
P23921
1
binding
up-regulates activity
0.935
Taken together, we conclude that UV-induced activation of p53R2 transcription and binding of p53R2 to hRRM1 to form RR holoenzyme are impaired in the p53-mutant cell line PC3.
SIGNOR-259366
P01112
P04049
1
binding
up-regulates
0.935
We have examined whether the other two members of the Raf family, A-Raf and B-Raf, are regulated in a similar way to Raf-1. A-Raf behaves like Raf-1, being weakly activated by oncogenic Ras more strongly activated by oncogenic Src, and these signals synergize to give maximal activation. B-Raf by contrast is strongly activated by oncogenic Ras alone and is not activated by oncogenic Src.
SIGNOR-235786
P06493
Q12834
1
phosphorylation
down-regulates activity
0.935
Cdk1 phosphorylates Cdc20 to negatively regulate its ability to bind and activate the APC/C.
SIGNOR-279321
P49767
P35916
1
binding
up-regulates
0.935
Vegf-c, was isolated as a ligand for the tyrosine kinase vegfr-3 (flt4)
SIGNOR-55205
P21583
P10721
1
binding
up-regulates activity
0.934
The most relevant and still unique mast-cell growth factor is SCF, which is the ligand of KIT, a receptor with tyrosine-kinase activity that is expressed on the surface of all human and murine mast cells
SIGNOR-254946
P01308
P06213
1
binding
up-regulates activity
0.934
Our previous studies indicated that amino acid residues 240-250 in the cysteine-rich region of the human insulin receptor alpha-subunit constitute a site in which insulin binds.
SIGNOR-23001
P31948
P07900
1
binding
down-regulates activity
0.934
Hsp90 chaperone cycle is tightly regulated by another group of proteins referred to as ‘co-chaperones'. Their stability does not depend on Hsp90 function but they interact with distinct Hsp90 conformational states, providing directionality to the Hsp90 cycle. Furthermore, certain co-chaperones, such as HOP and Cdc37p50 inhibit the Hsp90 chaperone cycle, assisting in delivery of distinct sets of client proteins (steroid hormone receptors and kinases, respectively) to the Hsp90 chaperone machine.
SIGNOR-261411
P50591
O14763
1
binding
up-regulates
0.934
Tumour necrosis factor-related apoptosis inducing ligand (trail) receptor 2 (trail-r2) also known as tnfrsf10b (tumour necrosis factor receptor (tnfr) super family 10b) or killer/dr5, a member of the tnfr family, is a promising candidate tumour suppressor gene at 8p21-22.
SIGNOR-134524
P50591
O00220
1
binding
up-regulates
0.934
Trail interacts with tril-r1 and trail-r2 and activetes them
SIGNOR-101082
O00566
Q9NQZ2
1
binding
up-regulates activity
0.934
Mpp10 is able to bind the ribosome biogenesis factor Utp3/Sas10 through two conserved motifs in its N-terminal region. In addition, Mpp10 interacts with the ribosomal protein S5/uS7 using a short stretch within an acidic loop region. Thus, our findings reveal that Mpp10 provides a platform for the simultaneous interaction with multiple proteins in the 90S pre-ribosome.
SIGNOR-261176
P49815
Q92574
1
binding
up-regulates activity
0.934
Furthermore, tsc2 is directly phosphorylated by akt, which is involved in stimulating cell growth and is activated by growth stimulating signals, such as insulin. Tsc2 is inactivated by akt-dependent phosphorylation, which destabilizes tsc2 and disrupts its interaction with tsc1.
SIGNOR-77400
Q9Y4K3
Q9NYJ8
1
binding
up-regulates activity
0.933
The irak1/traf6 complex can also activate jnk and p38 signalling through assembly of a catalytically active tab2-tab3-tak1 complex.
SIGNOR-205458
P49366
P63241
1
post translational modification
up-regulates activity
0.933
Deoxyhypusine synthase (DHPS) utilizes spermidine and NAD as cofactors to incorporate a hypusine modification into the eukaryotic translation initiation factor 5A (eIF5A). Hypusine is essential for eIF5A activation, which, in turn, plays a key role in regulating protein translation of selected mRNA that are associated with the synthesis of oncoproteins, thereby enhancing tumor cell proliferation.
SIGNOR-266374
O43516
O00401
1
binding
up-regulates activity
0.933
Recruitment of N-WASP to vaccinia is mediated by WASP-interacting protein (WIP), whereas in Shigella WIP is recruited by N-WASP. Our observations show that vaccinia and Shigella activate the Arp2/3 complex to achieve actin-based motility, by mimicking either the SH2/SH3-containing adaptor or Cdc42 signalling pathways to recruit the N-WASP-WIP complex.
SIGNOR-261880
P78352
O14490
2
relocalization
up-regulates activity
0.932
Similarly to CASK, PSD95 binds to intracellular adaptor proteins, and especially to GKAP (a protein that binds to the guanylate-kinase domain of PSD95), which, in turn, binds to SHANK proteins (Fig. 1b).
SIGNOR-264196
Q8IYD8
Q9NPI8
1
binding
up-regulates
0.932
Protein interaction motifs in fancm, designated mm1 and mm2, were identified. Mm1 interacts with the fa core complex by binding to fancf, whereas mm2 interacts with rm1 and topoisomerase iiialpha, components of the bs complex.
SIGNOR-163101
O14490
P78352
2
binding
up-regulates activity
0.932
SAPAPs are specifically expressed in neuronal cells and enriched in the PSD fraction. SAPAPs induce the enrichment of PSD-95/SAP90 to the plasma membrane in transfected cells. Thus, SAPAPs may have a potential activity to maintain the structure of PSD by concentrating its components to the membrane area.
SIGNOR-264209
Q13158
Q14790
1
binding
up-regulates activity
0.931
Fadd recruits caspase-8 through homotypic interactions of death-effector domains (deds), leading to caspase-8 activation and apoptosis. In turn, fadd recruits the zymogen form of the apoptosis-initiating protease caspase-8, through homophilic interaction of death effector domains.
SIGNOR-112061
P01375
P20333
1
binding
up-regulates activity
0.93
The binding of tnf to tnf-r1 triggers a series of intracellular events that ultimately result in the activation of two major transcription factors, nuclear factor kb (nf-kb) and c-jun.
SIGNOR-88216
P30990
P30989
1
binding
up-regulates
0.93
The rat neurotensin receptor cdna sequence was transfected in chinese hamster ovary cells and cellular clones which stably express the corresponding protein were isolated and characterized. The scatchard analysis of the specific binding of [3h]neurotensin indicated a kd value of 0.45 +/- 0.08 nm and a bmax value of 3.27 +/- 0.29 pmol/mg of protein. ...Neurotensin Stimulated the phosphoinositides hydrolysis
SIGNOR-17369
O43318
Q15750
2
phosphorylation
up-regulates activity
0.929
We identified amino acids (aa) 452/453 and 456/457 of TAB1 as novel sites phosphorylated by TAK1 as well as by p38 MAPK in intact cells as well as in vitro. 
SIGNOR-276365
P29965
P25942
1
binding
up-regulates activity
0.929
Ramos cells were mixed with increasing numbers of transfected cells that expressed cd70 (cd27l) or cd154 (cd40l), both of which are expressed by activated T cells, in the presence of anti-igm ab. Cd27 ligation as well as cd40 ligation inhibited bcr-mediated apoptosis in a dose-dependent manner. cd40 binds its ligand cd40l.
SIGNOR-93432
P11802
P06400
1
phosphorylation
down-regulates
0.929
Cyclin d1 is known to activate cdk4, which then phosphorylates the rb protein, leading to cell cycle progression.
SIGNOR-200487
O00273
O76075
1
binding
down-regulates
0.929
Dff is a heterodimer of 40 kda and 45 kda subunits.
SIGNOR-29729
P42345
P31749
2
phosphorylation
up-regulates activity
0.929
The rictor-mtor complex directly phosphorylated akt/pkb on ser473 in vitro and facilitated thr308 phosphorylation by pdk1
SIGNOR-252599
Q15750
O43318
2
binding
up-regulates activity
0.929
The yeast two-hybrid system has now revealed two human proteins, termed tab1 and tab2 (for tak1 binding protein), that interact with tak1. Overproduction of tab1 enhanced activity of the plasminogen activator inhibitor 1 gene promoter, which is regulated by tgf-beta, and increased the kinase activity of tak1. Tab1 activates the kinase activity of tak1 by directly binding to its catalytic domain. Tab1 overexpression increase the kinase activity of tak1 in mammalian cells.
SIGNOR-153031
P12643
P36894
1
binding
up-regulates
0.929
BMP interacts with specific receptors on the cell surface, BMP receptor types 1 and 2 (BMPr1 and BMPr2).
SIGNOR-253547
O75381
P50542
1
binding
up-regulates activity
0.929
The peroxisomal docking complex is a key component of the import machinery for matrix proteins. The core protein of this complex, Pex14, is thought to represent the initial docking site for the import receptors Pex5 and Pex7.
SIGNOR-253027
P31749
P42345
2
phosphorylation
up-regulates
0.929
Once phosphorylated, Akt can act on a broad spectrum of substrates that can influence cell survival and proliferation and protein synthesis (65). Phosphorylation of mTOR by Akt leads to mTOR activation (40, 52) and the subsequent activation of p70S6K
SIGNOR-255107
P00797
P01019
2
cleavage
up-regulates activity
0.928
Angiotensinogen, an _-glycoprotein, is released from the liver (152, 250, 444) and is cleaved in the circulation by the enzyme renin that is secreted from the juxtaglomerular apparatus of the kidney (245, 250, 540, 631) to form the decapeptide angiotensin (ANG) I
SIGNOR-252297
P01019
P00797
2
binding
up-regulates activity
0.928
Renin is an aspartic protease that enzymatically cleaves its substrate angiotensinogen, which is produced by the liver, to form an inactive peptide: angiotensin (Ang)I or Ang (1–10).
SIGNOR-260224
P14210
P08581
1
binding
up-regulates
0.928
Hgf is the ligand for p190met, the receptor tyrosine kinase encoded by the met proto-oncogene.
SIGNOR-38429
Q15276
P20339
1
binding
up-regulates
0.928
We have previously shown that rab5, which regulates various steps of transport along the early endocytic pathway, is activated by a complex consisting of rabex-5, a rab5 nucleotide exchange factor, and the effector rabaptin-5.
SIGNOR-109352
P62826
O14980
1
binding
up-regulates activity
0.928
The nuclear export by CRM1 requires an interaction with the small GTPase Ras-related nuclear antigen (Ran), which cycles between GTP- and GDP-bound states. The binding of Ran GTP to CRM1 in the nucleus increases the affinity of CRM1 for cargo proteins
SIGNOR-275848
P46937
Q15561
1
binding
up-regulates activity
0.927
The multifunctional cytokine TGF-β has been identified as a potent inducer of CTGF expression, activating CTGF transcription through the canonical Smad signaling pathway. It is worth noting that TGF-β synergizes with Hippo–Yes-associated protein (YAP) signaling, a key regulator of tumorigenesis, to induce the expression of CTGF by the formation of a YAP-TEAD4-Smad3-p300 complex on the CTGF promoter
SIGNOR-277685
P60568
P01589
1
binding
up-regulates
0.927
Il-2 is a cytokine that functions as a growth factor and central regulator in the immune system and mediates its effects through ligand-induced hetero-trimerization of the receptor subunits il-2r alpha, il-2r beta, and gamma(c).
SIGNOR-144537
Q14242
P16109
1
binding
up-regulates
0.927
The major ligand for p-selectin on leukocytes is p-selectin glycoprotein ligand-1 (PSGL-1)
SIGNOR-47625
P42345
Q13541
1
phosphorylation
down-regulates activity
0.926
Specifically as part of mTORC1, mTOR directly phosphorylates the ribo- somal protein S6 kinases (S6K1 and S6K2) and the eukaryotic initiation factor 4E (eIF4E)-binding proteins (4E-BP1 and 4E-BP2), both of which control specific steps in the initiation of cap-dependent translation
SIGNOR-167184
P25791
P17542
1
binding
up-regulates
0.926
Transcriptional activity of tal1 in t cell acute lymphoblastic leukemia (t-all) requires rbtn1 or -2
SIGNOR-46161
P01375
P19438
1
binding
up-regulates activity
0.925
For TNFR1, the cytokine TNFα binds to the receptor and triggers its trimerization, which leads to the assembly of the receptor complex and initiation of signaling.
SIGNOR-199091
Q13535
O14757
1
phosphorylation
up-regulates
0.925
Atr activation typically leads to chk1 phosphorylation and activation. In response to genotoxic stress, chk1 is phosphorylated on serines 317 (s317) and 345 (s345) by the ataxia-telangiectasia-related (atr) protein kinase.
SIGNOR-134716
Q13131
Q9Y478
1
phosphorylation
up-regulates
0.925
Mutation of serine 108 to alanine, an autophosphorylation site within the glycogen binding domain of the beta1 subunit, almost completely abolishes activation of ampk by a-769662 in cells and in vitro, while only partially reducing activation by amp
SIGNOR-157553
O95760
Q01638
1
binding
up-regulates activity
0.925
We report a member of the IL-1 family, IL-33, which mediates its biological effects via IL-1 receptor ST 2, activates NF-kappaB and MAP kinases, and drives production of T(H)2-associated cytokines from in vitro polarized T(H)2 cells. In vivo, IL-33 induces the expression of IL-4, IL-5, and IL-13 and leads to severe pathological changes in mucosal organs.The binding of IL-33 to cells that express ST2 results in the activation of NF-κB and MAP kinases. Administration of purified IL-33 either in vitro or in vivo leads to the production of TH2-associated cytokines.
SIGNOR-277711
Q969D9
Q9HC73
1
binding
up-regulates
0.924
Human tslp is proposed to signal through a heterodimeric receptor complex that consists of a new member of the hemopoietin family termed human tslp receptor and the il-7r alpha-chain.
SIGNOR-108920
Q16552
Q96F46
1
binding
up-regulates
0.924
Binding studies suggest that recombinant hil-17 binds to the hil-17r with low affinity. Monoclonal antibodies (mabs) generated against the hil-17r were able to block the il-17-induced production of cytokine from human foreskin fibroblast (hff) cells.
SIGNOR-53249
O15123
Q02763
1
binding
up-regulates
0.924
Angiopoietin-1 and -2, bound to tek with similar affinities, and angiopoietin-1 effectively induced tek phosphorylation in hematopoietic cells. Angiopoietin-2 also induced a low level of tek phosphorylation and weakened the phosphorylation induced by angiopoietin-1
SIGNOR-59808
O43921
P54764
1
binding
up-regulates
0.924
Receptors of the epha group preferentially interact with glycosylphosphatidylinositol (gpi)-linked ligands (of the ephrin-a subclass, which comprises five ligands), while receptors of the ephb group preferentially interact with transmembrane ligands (of the ephrin-b subclass, which comprises three ligands) (table 1). In either case, binding of a ligand results in eph receptor autophosphorylation on tyrosine residues and activation of the kinase activity of the eph receptor
SIGNOR-52203
Q12824
P51531
1
binding
up-regulates activity
0.924
The remodeling activity of brg1 and hbrm is stimulated by baf170/baf155 and is further stimulated when ini1 is added.
SIGNOR-65181
P01112
P42336
1
binding
up-regulates
0.924
In vivo, dominant negative ras mutant n17 inhibits growth factor induced production of 3' phosphorylated phosphoinositides in pc12 cells, and transfection of ras, but not raf, into cos cells results in a large elevation in the level of these lipids. Grb2 binds and activates sos, which then activates ras, and this activates p110 independently of p85. it was also described that ras interacts with pi3k in a direct manner. lysine residue 227 is essential for the interaction of ras with pi3k
SIGNOR-35878
P01236
P16471
1
binding
up-regulates
0.924
Prolactin-dependent signaling occurs as the result of ligand-induced dimerization of the prolactin receptor (prlr).
SIGNOR-72810
Q15835
P08100
1
phosphorylation
up-regulates activity
0.923
That light-dependent phosphorylation of Rho is mediated primarily by RK. Addition of an inhibitory antibody against rhodopsin kinase (RK) lowered phosphorylation at Ser334, Ser338, and Ser343, without changing the ratio between phosphorylation sites. upon illumination, Ser334c, Ser338, and Ser343 are phosphorylated.
SIGNOR-251190
P00533
P62993
1
binding
up-regulates activity
0.923
Adaptor protein Grb2 binds phosphotyrosines in the epidermal growth factor (EGF) receptor (EGFR) and thereby links receptor activation to intracellular signaling cascades.
SIGNOR-267725
Q92585
P46531
1
binding
up-regulates
0.923
Maml1 binds to the ankyrin repeat domain of all four mammalian notch receptors, forms a dna-binding complex with icn and rbp-jkappa, and amplifies notch-induced transcription of hes1.Maml1 functions as a transcriptional co-activator for notch signalling.
SIGNOR-86117
Q96BI3
P49810
1
binding
up-regulates
0.923
Gamma secretase subunit. Leads to ps1/ps2 eterodimer complex stabilisation. By using co-immunoprecipitation and nickel affinity pull-down approaches, we now show that mammalian aph-1 (maph-1), a conserved multipass membrane protein, physically associates with nicastrin and the heterodimers of the presenilin amino- and carboxyl-terminal fragments in human cell lines and in rat brain.
SIGNOR-93265
Q9UJ41
P20339
1
binding
up-regulates
0.923
We have previously shown that rab5, which regulates various steps of transport along the early endocytic pathway, is activated by a complex consisting of rabex-5, a rab5 nucleotide exchange factor, and the effector rabaptin-5.
SIGNOR-109398
P12931
O60716
1
phosphorylation
up-regulates activity
0.922
Identification of Src phosphorylation sites in the catenin p120ctn.Using selected tyrosine to phenylalanine p120 mutants as dominant negative reagents, it may now be possible to selectively block events postulated to be dependent on p120 tyrosine phosphorylation.combinations of Tyr _ Phe mutations at residues 96, 112, 228, 257, 280, 291, 296, and 302
SIGNOR-246484
P98170
P55211
1
binding
down-regulates quantity by destabilization
0.922
A conserved XIAP-interaction motif in caspase-9 and Smac/DIABLO regulates caspase activity and apoptosis
SIGNOR-105702
P53350
P14635
1
phosphorylation
up-regulates activity
0.922
Phosphorylation of cyclin b1 is central to its nuclear translocationduring cell-cycle progression in hela cells, a change in the kinase activity of endogenous plk1 toward s147 and/or s133 correlates with a kinase activity in the cell extractsa mutant cyclin b1 in which s133 and s147 are replaced by alanines remains in the cytoplasm, whereas wild-type cyclin b1 accumulates in the nucleus during prophase.Together, these results suggest that phosphorylation of s133 and s147 is necessary for the nuclear translocation of cyclin b1 during prophase, and that phosphorylation of s126 and s128 may stimulate the nuclear translocation.
SIGNOR-105719
P52803
P29317
1
binding
up-regulates
0.922
Members of the epha subfamily of receptor tyrosine kinases and their ephrin-a ligands have been implicated in the guidance of retinal axons along the anterior-posterior axis of the chick optic tectum.
SIGNOR-52467
O14920
P25963
1
phosphorylation
down-regulates activity
0.922
Tak1 become activated and then phosphorilates and activates ikk2 which in turn now phosphorylates ikba, marking it for k48-ubiquitination and proteasomal degradation
SIGNOR-235400
P61764
Q16623
1
binding
up-regulates activity
0.922
Munc18-1 is a neuronal protein that interacts with syntaxin 1 and is required for synaptic vesicle exocytosis. We have now identified two Munc18-1-interacting proteins called Mint1 and Mint2 that may mediate the function of Munc18-1.
SIGNOR-264042
P49815
Q15382
1
gtpase-activating protein
down-regulates activity
0.922
Tsc2 functions as a gap to inhibit rheb activity. Tsc2 displays gap (gtpase-activating protein) activity specifically towards the small g protein rheb and inhibits its ability to stimulate the mtor signaling pathway. It has recently been shown that tsc2 has gtpase-activating protein (gap) activity towards the ras family small gtpase rheb (ras homolog enriched in brain), and tsc1/2 antagonizes the mtor signaling pathway via stimulation of gtp hydrolysis of rheb.
SIGNOR-128432
Q99836
Q9Y4K3
1
binding
up-regulates activity
0.922
In innate immunity, nearly all Toll-like receptors (TLRs), as well as the receptors of the interleukin 1 (IL-1) family of cytokines, initiate signaling by recruiting the adaptor protein MyD88. This is followed by the interaction of IL-1-receptor (IL-R)-associated kinase 4 (IRAK4) with MyD88 and then the interaction of other IRAK family members with IRAK4, to form an oligomeric complex, termed the Myddosome (8, 9). IRAK1 and IRAK2 can then interact with TRAF6 (10, 11) and induce TRAF6 dimerization (12), which triggers the activation of its E3 ligase activity
SIGNOR-260160
P20701
P05362
1
binding
up-regulates
0.922
This leads to further neutrophil-endothelial cell interactions through the binding of LFA-1 to its endothelial counterreceptor ICAM-1 during the slow rolling phase
SIGNOR-255040
P06400
Q01094
1
binding
down-regulates activity
0.921
E2f binds rb. E2f activation domain is the target for rb-induced repression. Rb can silence the 57 residue e2f activation domain. Rb can mask e2f residues involved in the activation process, possibly by mimicking a component of the transcriptional machinery
SIGNOR-37305
P23510
P43489
1
binding
up-regulates
0.921
Activation of nf-kappab in ox40-transfected hsb-2 cells was detected by electrophoretic mobility shift assay within 30 min after the binding of the ligand gp34.
SIGNOR-54927
P13984
P19388
1
binding
up-regulates activity
0.921
Direct Interaction Between the Subunit RAP30 of Transcription Factor IIF (TFIIF) and RNA Polymerase Subunit 5, Which Contributes to the Association Between TFIIF and RNA Polymerase II. we showed that RPB5 binds RAP30 but not RAP74 and associates to TFIIF through the binding to RAP30.
SIGNOR-261179
Q00978
P52630
1
binding
up-regulates activity
0.921
Coimmunoprecipitation assays demonstrate p48 association with STAT2 but not STAT1.The studies demonstrate the in vivo existence of a STAT2.p48 complex and a distinct STAT2.STAT1 complex after IFN-alpha stimulation. Data suggest that distinct bipartite complexes STAT2.p48 and STAT2.STAT1 translocate to the nucleus and associate on the DNA target site as ISGF3.
SIGNOR-217806
Q7L9L4
O95835
1
binding
up-regulates
0.921
Lats1/2 are activated by association with the highly homologous scaffold proteins mps one binder kinase activator-like 1a (mobkl1a) and 1b (mobkl1b), which are collectively referred to as mob1.
SIGNOR-169795
O43791
Q13618
1
binding
up-regulates activity
0.921
Here we show that the CULLIN3 E3 ubiquitin ligase adaptor protein SPOP binds Geminin at endogenous level and regulates DNA replication. SPOP promotes K27-linked non-degradative poly-ubiquitination of Geminin at lysine residues 100 and 127.
SIGNOR-268927