UniProt Summary: Enhancer of SUMO conjugation. Via its interaction with UBE2I/UBC9, increases SUMO conjugation to proteins by promoting the binding of E1 and E2 enzymes, thioester linkage between SUMO and UBE2I/UBC9 and transfer of SUMO to specific target proteins which include HIF1A, PIAS, NFKBIA, NR3C1 and TOP1. Isoform 1 and isoform 2 positively regulate the NF-kappa-B signaling pathway by enhancing the sumoylation of NF-kappa-B inhibitor alpha (NFKBIA), promoting its stabilization which consequently leads to an increased inhibition of NF-kappa-B transcriptional activity. Isoform 1 and isoform 2 negatively regulate the hypoxia-inducible factor-1 alpha (HIF1A) signaling pathway by increasing the sumoylation of HIF1A, promoting its stabilization, transcriptional activity and the expression of its target gene VEGFA during hypoxia. Isoform 2 promotes the sumoylation and transcriptional activity of the glucocorticoid receptor NR3C1 and enhances the interaction of SUMO1 and NR3C1 with UBE2I/UBC9. Has no effect on ubiquitination. {ECO:0000269|PubMed:17956732, ECO:0000269|PubMed:22009797, ECO:0000269|PubMed:23469069, ECO:0000269|PubMed:23508108}.
Pfam DomainsGO Terms
Pfam Domains
RWD
DUF1115
GO Terms
regulation of hypoxia-inducible factor-1alpha signaling pathway
positive regulation of hypoxia-inducible factor-1alpha signaling pathway
positive regulation of cellular response to hypoxia
positive regulation of protein sumoylation
regulation of cellular response to hypoxia
regulation of protein sumoylation
negative regulation of NF-kappaB transcription factor activity
positive regulation of protein modification by small protein conjugation or removal
negative regulation of DNA-binding transcription factor activity
regulation of protein modification by small protein conjugation or removal
regulation of DNA-binding transcription factor activity
regulation of cellular response to stress
negative regulation of molecular function
positive regulation of protein modification process
regulation of response to stress
positive regulation of cellular protein metabolic process
positive regulation of signal transduction
positive regulation of protein metabolic process
positive regulation of cell communication
positive regulation of signaling
regulation of protein modification process
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)
Compound Hit
No hits were found.
Most Correlated Genes in Chemogenomics
No correlation found to any other genes in chemogenomics.
Tissues where Essential in the Avana Dataset (DepMap 20Q1)
Global Fraction of Cell Lines Where Essential: 0/739