Term Information

Accession

GO:0043234

Ontology

cellular component

Synonyms

exact: protein-protein complex

Definition

Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or carbohydrate groups. [source: GOC:go_curators]

Comment

Note that although at some level almost all cellular components can be thought of as protein complexes, this term is intended to exclude structures composed of the same repeating subunit or subunits, for example microtubules. Protein complexes encompassed by this term are generally not structural, and usually have a defined set of subunits.

Subset

• goslim_generic
• goslim_pir
• Unavailable

Community

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Term Lineage

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External References

InterPro (3)

• IPR003008
• IPR008280
• IPR018316

Pfam (2)

• PF00091
• PF03953

SMART (1)

• SM00865

Wikipedia (1)

• Protein_complex

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