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tfbB

Gene
tfbB
Protein
Transcription initiation factor IIB 2
Organism
Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)
Length
325 amino acids
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.
Mass
36.156 kDa
Sequence
MSDSTIRTYSSDQRQTDNDETVSTPDEDVLTCPECGGQVIDDEEHGESVCVDCGLVVEENGIDRGPEWRAFNSTEKDEKSRVGAPTTNMMHDKGLSTNIGWQDKDAYGNSLSSNQRQKMQRLRKWNERFRTRNSKERNLKQALGEIERMASALGLPKEVRETASVIYRRALSEDLLPGRSIEGVATAALYASARQLSTPRSIDEVANVSRIDEMEFKRTYRYIVRELSLEVAPADPAQYVPRFASDLDLPDEVERRSRELISNAQADGVTSGKSPVGLAAAAIYASSLLTNHKVTQSEVSEVTDVSEVTIRNRYQELLEATEAAA
Protein
Transcription initiation factor IIB 2: tfbB

Gene
tfbB
Protein
Transcription initiation factor IIB 2
Organism
Thermoplasma volcanium (strain ATCC 51530 / DSM 4299 / JCM 9571 / NBRC 15438 / GSS1)
Length
313 amino acids
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.
Mass
35.203 kDa
Sequence
MPYSDKMAIESEAPKRCPECHSEHLIRDYEHGELICADCGAVIEDSFIDQGPEWRAFDSDQDERRARTGSPMTYLSHDKGLATEISWSNKDYYGKRIPHKNRAQIYRVRKWHQRIRVSNAAERNLSLALQLLNDIGAKLGIPKDIKETSALIYRKAVEKNLIRGRSIESIVCASIYAACRKVNIPRTLDEIAKASEVNKKKIGKAYRHLAKELDLNLRPTTPFSYIAQFCNKLDLDKQAIVISEDIVRQAMSMGISSGKGPTGIAAAAIYIASVKVGKPRTQKEIARISGVTEVTIRNRYKEISKALNISISE
Protein
Transcription initiation factor IIB 2: tfbB

Gene
tfbB
Protein
Transcription initiation factor IIB 2
Organism
Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)
Length
307 amino acids
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.
Mass
34.463 kDa
Sequence
MTVEGETPKRCPECNSEHLIRDYEHGELICADCGAVIEDAYIDQGPEWRAFDSDQDERRARTGSPMTYLSHDKGLATEISWSNKDYYGKRIPHKNRAQIYRVRKWHQRIRVSNAAERNLSLALQLLNDIGAKLGIPKDIKETAALIYRKAVEKNLIRGRSIESIVCASIYAACRKVNIPRTLDEISKASEVNKKKIGKAYRHLAKELDLNLKPTTPFSYISQFCNKLDLDKQAIVISEDIVRQAMSMGISSGKGPTGIAAAAIYIASVKVGKPRTQKEIARISGVTEVTIRNRYKEISKALNISISE
Protein
Transcription initiation factor IIB 2: tfbB

Gene
tfbB
Protein
Transcription initiation factor IIB 2
Organism
Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
Length
293 amino acids
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.
Mass
33.284 kDa
Sequence
MKCPYCKTDNAITYDVEKGMYVCTNCASVIEDSAVDPGPDWRAYNAKDRNEKERVGSPSTPKVHDWGFHTIIGYGRAKDRLKTLKMQRMQNKIRVSPKDKKLVTLLSILNDESSKLELPEHVKETASLIIRKMVETGLTKRIDQYTLIVAALYYSCQVNNIPRHLQEFKVRYSISSSEFWSALKRVQYVANSIPGFRPKIKPAEYIPKILYKLNLPPIIGTKASELVDLMHKQGLTSGKGYLSLSAASVYLISALMDIKKTQKEVADSLDITEVTIRNRYKDIVDNFDIVVTL
Protein
Transcription initiation factor IIB 2: tfbB