Stabilizes TBP binding to an archaeal box-A promoter. Also responsible for recruiting RNA polymerase II to the pre-initiation complex (DNA-TBP-TFIIB).

Belongs to the TFIIB family.

310 amino acids

MRSDVSEIEKETKCPECGSDDLRGDYERAEIVCGKCGLVIDDNLVDMGPEWRAFDHEQRDKRTRVGAPITYTIHDKGLSTMIDWRNKDIYGRDIPARNRAQWYRLRKWQRKIRISGATERNLAFALSELDRDSSRLGLPRSVREAASMVYRRAVENKLIRGRSIEGVVAASLYAACRKCNVPRTLDEIAEVSRVSKKEVGRTYRFLTRELNIKLPPTSPVDYVPRFASELGLSGEVQSKAIEIIEMAMENGLTSGRGPTGVAAAALYIASVLLGEHKTQRDVAEVAGVTEVTIRNRYKELTEQLDLGVTL

34.9 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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