Initiation of transcription by RNA polymerase I requires the formation of a complex composed of the TATA-binding protein (TBP) and three TBP-associated factors (TAFs) specific for RNA polymerase I. This complex, known as SL1, binds to the core promoter of ribosomal RNA genes to position the polymerase properly and acts as a channel for regulatory signals. This gene encodes one of the SL1-specific TAFs. [provided by RefSeq, Jul 2008]

IgG1

Q53T94

OTI1A8

Monoclonal

Human recombinant protein fragment corresponding to amino acids 1-208 of human TAF1B(NP_005671) produced in E.coli.

Human

WB

Mouse

Affinity Purification

68.7 kDa