Protein
Transcription initiation factor IIB
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Function
Stabilizes TBP binding to an archaeal box-A promoter. Also responsible for recruiting RNA polymerase II to the pre-initiation complex (DNA-TBP-TFIIB).
Similarity
Belongs to the TFIIB family.
Sequence
MVWLMEALKTKENETTKEKKLTTKVEKSEKKEENVREEEIVCPICGSKEVVKDYERAEIVCAKCGCVIKEKLFDIGPEWRAFDHEQKIKRCRVGAPMTYSVDYNEPIIIKENGEIKVVKIGELIDKIIENSENIRREGILEIAKCKGIEVIAFNSNYKFKFMPVSEVSRHPVSEMFEIVVEGNKKVRVTRSHSVFTIRDNEVVPIRVDELKVGDILVLAKELPNIEEDIEIDKKFSKILGYIIAEGYYDDKKIVLSYDYNEKEFINETIDYFKSLNSDITIYSKDLNIQIEVKNKKIINLLKKLRVKNKRIPSIIFKSPYEIKKSFIDGIFNGKDAKVFVSKELAEDVIFLLLQIKENATINKKSINDIEVYEVRRITNIYTNRKLEKLINSDFIFLKIKEINKVEPTSGYAYDLTVPNAENFVAGFGGFVLHNTIHDKGLSTVIDWRNKDSYGKDLSANKRAQLYRLRKWQRRIRVSDAAERNLAFALSELDRITSKLGLPRHVRENAAIIYRGAVEKGLIRGRSIEGVVAAAIYAACRRCRVPRTLDEIAEASRVDRKEIGRTYRFLARELNIKLTPTNPIDYVPRFASELGLPGEVESKAIQILQQAAEKGLTSGRGPTGVAAAAIYIASVLLGCRRTQREVAEVAGVTEVTIRNRYKELTEHLDIDVTL