| id | GO:0003712 Detailed information
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| name | transcription cofactor activity
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| namespace | molecular_function
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| def | "Interacting selectively and non-covalently with a regulatory transcription factor and also with the basal transcription machinery in order to modulate transcription. Cofactors generally do not bind DNA, but rather mediate protein-protein interactions between regulatory transcription factors and the basal transcription machinery." [GOC:txnOH, PMID:10213677, PMID:16858867]
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| subset | gosubset_prok
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| is_a | GO:0000989 ! transcription factor binding transcription factor activity
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| relationship | has_part GO:0001098 ! basal transcription machinery binding
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