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Overview

Uniprot IDQ6EEV6
Protein NameSmall ubiquitin-related modifier 4
Gene NameSUMO4
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
33 DGSVVQFKIKRQTPL

Function

Ubiquitin-like protein which can be covalently attached to target lysines as a monomer. Does not seem to be involved in protein degradation and may modulate protein subcellular localization, stability or activity. Upon oxidative stress, conjugates to various anti-oxidant enzymes, chaperones, and stress defense proteins. May also conjugate to NFKBIA, TFAP2A and FOS, negatively regulating their transcriptional activity, and to NR3C1, positively regulating its transcriptional activity. Covalent attachment to its substrates requires prior activation by the E1 complex SAE1-SAE2 and linkage to the E2 enzyme UBE2I

Protein Sequence

10 MANEKPTEEV 20 KTENNNHINL 30 KVAGQDGSVV 40 QFKIKRQTPL 50 SKLMKAYCEP 60 RGLSVKQIRF 70 RFGGQPISGT 80 DKPAQLEMED 90 EDTIDVFQQP TGGVY

Gene Ontology

Classification GO ID Description
Cellular Component GO:0016604 nuclear body
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0106068 SUMO ligase complex
Molecular Function GO:0031386 protein tag activity
Molecular Function GO:0044389 ubiquitin-like protein ligase binding
Biological Process GO:0034599 cellular response to oxidative stress
Biological Process GO:0043392 negative regulation of DNA binding
Biological Process GO:0045892 negative regulation of DNA-templated transcription
Biological Process GO:0043388 positive regulation of DNA binding
Biological Process GO:0016925 protein sumoylation
Biological Process GO:0043122 regulation of canonical NF-kappaB signal transduction
Biological Process GO:1900180 regulation of protein localization to nucleus

Reference

PMID: N/A