Search Ontology:
GO: Molecular Function

ubiquitin-ubiquitin ligase activity

Term ID
GO:0034450
Synonyms
  • E4
Definition
Isoenergetic transfer of ubiquitin from one protein to an existing ubiquitin chain via the reaction X-ubiquitin + Y-ubiquitin = Y-ubiquitin-ubiquitin + X, where both the X-ubiquitin and Y-ubiquitin-ubiquitin linkages are thioester bonds between the C-terminal glycine of ubiquitin and a sulfhydryl side group of a cysteine residue. (2)
References
  • Reactome:R-HSA-937050
  • Reactome:R-HSA-975122
Ontology
GO: Molecular Function    QuickGO    AmiGO
Relationships
is a type of
Phenotype
Phenotype caused by Genes