Term Information

Accession
GO:0031386
Name
protein tag
Ontology
molecular_function
Synonyms
ubiquitin-like protein modifier, covalent modifier, protein tagging activity, ubiquitin
Alternate IDs
None
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. Source: PMID:20054389, GOC:go_curators, PMID:19028679, PMID:6305978, GOC:dos
Comment
Use this term to annotate conjugated tags, not for conjugating enzymes. At the time of writing, all known gene products with this activity are ubiquitin-like, either based on overall sequence similarity or the presence of common motifs and structures.
History
See term history for GO:0031386 at QuickGO
Subset
goslim_pir
Feedback
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Comments, changes to terms, or requests for new ontology terms can be made at GO issue tracker on GitHub.

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Parents of protein tag (GO:0031386)
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protein tag [is_a relation] is_a  molecular_function (GO:0003674)

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None.