Accepts the ubiquitin-like proteins SUMO1, SUMO2 and SUMO3 from the UBLE1A-UBLE1B E1 complex and catalyzes their covalent attachment to other proteins with the help of an E3 ligase such as RANBP2, CBX4 and ZNF451. Can catalyze the formation of poly-SUMO chains. Essential for nuclear architecture and chromosome segregation (By similarity). Necessary for sumoylation of FOXL2 and KAT5. Sumoylates p53/TP53 at 'Lys-386' (By similarity).
Tissue Specificity:
Broadly expressed, with highest levels in spleen and lung (at protein level).
Sequence Similarities:
Belongs to the ubiquitin-conjugating enzyme family.
Post-Translational Modification:
Phosphorylation at Ser-71 significantly enhances SUMOylation activity.
Cellular Location:
Nucleus. Cytoplasm.
Mainly nuclear. In spermatocytes, localizes in synaptonemal complexes. Recruited by BCL11A into the nuclear body (By similarity).
Database Links:
Entrez Gene: 7329?Human
Entrez Gene: 100044900?Mouse
Entrez Gene: 22196?Mouse
Entrez Gene: 25573?Rat
Omim: 601661?Human
SwissProt: P63279?Human
SwissProt: P63280?Mouse
SwissProt: P63281?Rat
Unigene: 302903?Human
Unigene: 240044?Mouse
Unigene: 384234?Mouse
Unigene: 442797?Mouse
Unigene: 2274?Rat
Synonyms:
C358B7.1 Antibody
p18 Antibody
SUMO 1 protein ligase Antibody
SUMO conjugating enzyme UBC9 Antibody
SUMO-conjugating enzyme UBC9 Antibody
SUMO-protein ligase Antibody
SUMO1 protein ligase Antibody
UBC9 Antibody
UBC9_HUMAN Antibody
UBCE9 Antibody
Ube2i Antibody
UBE2I / UBC9 Antibody
Ubiquitin carrier protein Antibody
Ubiquitin carrier protein 9 Antibody
Ubiquitin carrier protein I Antibody
Ubiquitin conjugating enzyme 9 Antibody
Ubiquitin conjugating enzyme E2I (homologous to yeast UBC9) Antibody