FUNCTION: E3 SUMO-protein ligase; has a preference for SUMO2 and SUMO3 and facilitates UBE2I/UBC9-mediated sumoylation of target proteins (PubMed:26524493, PubMed:26524494). Plays a role in protein SUMO2 modification in response to stress caused by DNA damage and by proteasome inhibitors (in vitro)....
FUNCTION: E3 SUMO-protein ligase; has a preference for SUMO2 and SUMO3 and facilitates UBE2I/UBC9-mediated sumoylation of target proteins (PubMed:26524493, PubMed:26524494). Plays a role in protein SUMO2 modification in response to stress caused by DNA damage and by proteasome inhibitors (in vitro). Required for MCM4 sumoylation (By similarity). Has no activity with SUMO1 (PubMed:26524493). Preferentially transfers an additional SUMO2 chain onto the SUMO2 consensus site 'Lys-11' (PubMed:26524493). Negatively regulates transcriptional activation mediated by the SMAD4 complex in response to TGF-beta signaling. Inhibits EP300-mediated acetylation of histone H3 at 'Lys-9' (PubMed:24324267). Plays a role in regulating the transcription of AR targets (PubMed:18656483). {ECO:0000250|UniProtKB:Q8C0P7, ECO:0000269|PubMed:18656483, ECO:0000269|PubMed:24324267, ECO:0000269|PubMed:26524493, ECO:0000269|PubMed:26524494}.
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GO - Biological processes (BP):
negative regulation of histone H3-K9 acetylation [GO:2000616]; negative regulation of transcription initiation from RNA polymerase II promoter [GO:0060633]; negative regulation of transforming growth factor beta receptor signaling pathway [GO:0030512]; positive regulation of transcription by RNA pol...
negative regulation of histone H3-K9 acetylation [GO:2000616]; negative regulation of transcription initiation from RNA polymerase II promoter [GO:0060633]; negative regulation of transforming growth factor beta receptor signaling pathway [GO:0030512]; positive regulation of transcription by RNA polymerase II [GO:0045944]; protein sumoylation [GO:0016925]; regulation of gene expression [GO:0010468]
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GO - Molecular function (MF):
metal ion binding [GO:0046872]; SUMO ligase activity [GO:0061665]; transcription corepressor activity [GO:0003714]...
metal ion binding [GO:0046872]; SUMO ligase activity [GO:0061665]; transcription corepressor activity [GO:0003714]
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GO - Cellular component (CC):
nucleus [GO:0005634]; PML body [GO:0016605]...
nucleus [GO:0005634]; PML body [GO:0016605]
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