Source:http://linkedlifedata.com/resource/umls/id/C1167148
GO: A transcription factor complex that is involved in regulating transcription from RNA polymerase III (Pol III) promoters. TFIIIB contains the TATA-binding protein (TBP) and two Pol III-specific proteins, B'' and BRF. [GOC:mah, PMID:11433012]