protein tag activity

Term ID

GO:0031386

Synonyms

• covalent modifier
• protein tag
• protein tagging activity
• ubiquitin
• ubiquitin-like protein modifier

Definition

A molecular function exhibited by a protein that is covalently attached (AKA tagged or conjugated) to another protein where it acts as a marker, recognized by the cellular apparatus to target the tagged protein for some cellular process such as modification, sequestration, transport or degradation. (3)

References

Ontology

GO: Molecular Function    QuickGO    AmiGO