Term Name:	transcription factor TFIIIB-alpha complex
Synonyms:
Definition:	A transcription factor TFIIIB-beta complex that contains the TATA-binding protein (TBP), B'' and a specialized homolog of the conserved subunit BRF referred to as BRFU or TFIIIB50, which found in human but not conserved in yeast; the complex is involved in the regulation of transcription from type 3 (upstream) RNA polymerase III promoters.
Ontology:	GO: Cellular Component [GO:0034732]    QuickGO    AmiGO