GO:0001076

RNA polymerase II transcription factor binding transcription factor activity

Details: 
Interacting selectively and non-covalently with an RNA polymerase II transcription factor, which may be a single protein or a complex, in order to modulate transcription. A protein binding transcription factor may or may not also interact with the template nucleic acid (either DNA or RNA) as well. [GOC:txnOH]
Evidence Code: