. "dataSource ADDED by a reasoner: http://pid.nci.nih.gov/biopaxpid_4"^^ . . . "BRF"^^ . "BRF1"^^ . "UniProt:Q92994 BRF1"^^ . "TAF3B2"^^ . "TAF3C"^^ . "GTF3B"^^ . .