Interacting selectively and non-covalently with an RNA polymerase I 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. (Gene Ontology, GO_0001082)
1 genes performing the rna polymerase i transcription factor binding transcription factor activity molecular function from the curated GO Molecular Function Annotations 2015 dataset.
