Summary

Name UBE2S
Full Name Ubiquitin-conjugating enzyme E2 S
Synonyms E2 ubiquitin-conjugating enzyme S, E2-EPF, Ubiquitin carrier protein S, Ubiquitin-conjugating enzyme E2-24 kDa, Ubiquitin-conjugating enzyme E2-EPF5, Ubiquitin-protein ligase S | E2EPF
Primary ID Q16763
Links - -
Type protein
Relations 7
Function Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins (PubMed:22496338). Catalyzes 'Lys-11'-linked polyubiquitination. Acts as an essential factor of the anaphase promoting complex/cyclosome (APC/C), a cell cycle-regulated ubiquitin ligase that controls progression through mitosis. Acts by specifically elongating 'Lys-11'-linked polyubiquitin chains initiated by the E2 enzyme UBE2C/UBCH10 on APC/C substrates, enhancing the degradation of APC/C substrates by the proteasome and promoting mitotic exit (PubMed:19820702, PubMed:19822757, PubMed:27259151). Also acts by elongating ubiquitin chains initiated by the E2 enzyme UBE2D1/UBCH5 in vitro; it is however unclear whether UBE2D1/UBCH5 acts as an E2 enzyme for the APC/C in vivo. Also involved in ubiquitination and subsequent degradation of VHL, resulting in an accumulation of HIF1A (PubMed:16819549). In vitro able to promote polyubiquitination using all 7 ubiquitin Lys residues, except 'Lys-48'-linked polyubiquitination (PubMed:20061386, PubMed:20622874).

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation UBE2S 0.45
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding UBE2S 0.743
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination UBE2S 0.763
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination UBE2S 0.627
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding APC-c 0.651
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding UBE2S 0.862
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization UBE2S 0.353
Publications: 1 Organism: Homo Sapiens