Protein: Anaphase-promoting complex subunit 2 (Q12440)
Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Function: Component of the anaphase promoting complex/cyclosome (APC/C), a cell cycle-regulated E3 ubiquitin-protein ligase complex that controls progression through mitosis and the G1 phase of the cell cycle. The APC/C is thought to confer substrate specificity and, in the presence of ubiquitin-conjugating E2 enzymes, it catalyzes the formation of protein-ubiquitin conjugates that are subsequently degraded by the 26S proteasome. In early mitosis, the APC/C is activated by CDC20 and targets securin PDS1, the B-type cyclin CLB5, and other anaphase inhibitory proteins for proteolysis, thereby triggering the separation of sister chromatids at the metaphase-to-anaphase transition. In late mitosis and in G1, degradation of CLB5 allows activation of the APC/C by CDH1, which is needed to destroy CDC20 and the B-type cyclin CLB2 to allow exit from mitosis and creating the low CDK state necessary for cytokinesis and for reforming prereplicative complexes in G1 prior to another round of replication.
Subcellular location: Cytoplasm {ECO:0000269|PubMed:14562095}. Nucleus {ECO:0000269|PubMed:14562095}.
Sequence: MSFQITPTRDLKVITDELQTLSSYIFHTNIVDDLNSLLTWMSPNDAKSNHQLRPPSLRIKNIIKVLFPNNATTSPYSMINTSQANNSIVNEGNTNKELQLQLFSTLKEFYIFQVRYHFFLHFNNINYLKDIQRWENYYEFPLRYVPIFDVNVNDWALELNSLRHYLLNRNIKFKNNLRTRLDKLIMDDDFDLADNLIQWLKSANGSLSSTELIVNALYSKINKFCEDNMSRVWNKRFMIMETFNKFINQYWSQFSKLVGCPEDDHELTTTVFNCFESNFLRIRTNEIFDICVLAYPDSKVTLLELRKIMKDFKDYTNIVTTFLSDFKKYILNPSVTTVDALLRYVKTIKAFLVLDPTGRCLHSITTFVKPYFQERKHLVNVLLYAMLDLPEEELKEKINFNVDMKALLSLVDTLHDSDINQDTNITKRDKNKKSPFLWNLKVKGKRELNKDLPIRHAMLYEHILNYYIAWVPEPNDMIPGNIKSSYIKTNLFEVLLDLFESREFFISEFRNLLTDRLFTLKFYTLDEKWTRCLKLIREKIVKFTETSHSNYITNGILGLLETTAPAADADQSNLNSIDVMLWDIKCSEELCRKMHEVAGLDPIIFPKFISLLYWKYNCDTQGSNDLAFHLPIDLERELQKYSDIYSQLKPGRKLQLCKDKGKVEIQLAFKDGRKLVLDVSLEQCSVINQFDSPNDEPICLSLEQLSESLNIAPPRLTHLLDFWIQKGVLLKENGTYSVIEHSEMDFDQAQKTAPMEIENSNYELHNDSEIERKYELTLQRSLPFIEGMLTNLGAMKLHKIHSFLKITVPKDWGYNRITLQQLEGYLNTLADEGRLKYIANGSYEIVKNGHKNS
InterPro domains: - IPR036317: Cullin homology domain superfamily (homologous_superfamily) [461-739]
- IPR036390: Winged helix DNA-binding domain superfamily (homologous_superfamily) [774-845]
- IPR014786: Anaphase-promoting complex subunit 2, C-terminal (domain) [784-845]
- IPR044554: Anaphase-promoting complex subunit 2 (family) [23-847]
- IPR057975: Anaphase-promoting complex subunit 2, TPR repeats (domain) [273-375]
- IPR016158: Cullin homology domain (domain) [494-724]
- IPR001373: Cullin, N-terminal (domain) [577-735]
- IPR036388: Winged helix-like DNA-binding domain superfamily (homologous_superfamily) [774-846]
Interaction partners: - Anaphase-promoting complex subunit 4
- Anaphase-promoting complex subunit 5
- Anaphase-promoting complex subunit CDC27
- Anaphase-promoting complex subunit CDC23
- Anaphase-promoting complex subunit CDC26
- Anaphase-promoting complex subunit 11
- Anaphase-promoting complex subunit CDC16
- Anaphase-promoting complex subunit 1
- Anaphase-promoting complex subunit SWM1
- Anaphase-promoting complex subunit DOC1
Gene Ontology annotations:
Molecular Function (MF): GO:0003674 (molecular function), GO:0005488 (binding), GO:0005515 (protein binding)
Biological Process (BP): GO:0008150 (biological process), GO:0008152 (metabolic process), GO:0009987 (cellular process), GO:0044237 (cellular metabolic process), GO:0006807 (nitrogen compound metabolic process), GO:0071840 (cellular component organization or biogenesis), GO:0071704 (organic substance metabolic process), GO:0009056 (catabolic process), GO:0044238 (primary metabolic process), GO:1901564 (organonitrogen compound metabolic process), GO:0044248 (cellular catabolic process), GO:0019538 (protein metabolic process), GO:0016043 (cellular component organization), GO:1901575 (organic substance catabolic process), GO:0044260 (cellular macromolecule metabolic process), GO:0043170 (macromolecule metabolic process), GO:0036211 (protein modification process), GO:0009057 (macromolecule catabolic process), GO:0043412 (macromolecule modification), GO:1901565 (organonitrogen compound catabolic process), GO:0006508 (proteolysis), GO:0044265 (cellular macromolecule catabolic process), GO:0030163 (protein catabolic process), GO:0006325 (chromatin organization), GO:0070647 (protein modification by small protein conjugation or removal), GO:0043632 (modification-dependent macromolecule catabolic process), GO:0010498 (proteasomal protein catabolic process), GO:0051603 (proteolysis involved in protein catabolic process), GO:0032446 (protein modification by small protein conjugation), GO:0019941 (modification-dependent protein catabolic process), GO:0043161 (proteasome-mediated ubiquitin-dependent protein catabolic process), GO:0031145 (anaphase-promoting complex-dependent catabolic process), GO:0016567 (protein ubiquitination), GO:0006511 (ubiquitin-dependent protein catabolic process)
Cellular Component (CC): GO:0005575 (cellular component), GO:0032991 (protein-containing complex), GO:0110165 (cellular anatomical entity), GO:0005622 (intracellular anatomical structure), GO:0043226 (organelle), GO:1902494 (catalytic complex), GO:0140513 (nuclear protein-containing complex), GO:0005737 (cytoplasm), GO:0140535 (intracellular protein-containing complex), GO:1990234 (transferase complex), GO:0000151 (ubiquitin ligase complex), GO:0000152 (nuclear ubiquitin ligase complex), GO:0043229 (intracellular organelle), GO:0043227 (membrane-bounded organelle), GO:0005680 (anaphase-promoting complex), GO:0043231 (intracellular membrane-bounded organelle), GO:0031461 (cullin-RING ubiquitin ligase complex), GO:0005634 (nucleus)