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TFIIB (HUMAN CORE DOMAIN)/TBP (A.THALIANA)/TATA ELEMENT TERNARY COMPLEXTFIIB (HUMAN CORE DOMAIN)/TBP (A.THALIANA)/TATA ELEMENT TERNARY COMPLEX

Structural highlights 1vol is a 4 chain structure with sequence from Arath and Human. The July 2005 RCSB PDB Molecule of the Month feature on TATA-Binding Protein by David S. Goodsell is 10.2210/rcsb_pdb/mom_2005_7. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [TBP1_ARATH] General transcription factor that functions at the core of the DNA-binding multiprotein factor TFIID. Binding of TFIID to the TATA box is the initial transcriptional step of the pre-initiation complex (PIC), playing a role in the activation of eukaryotic genes transcribed by RNA polymerase II. [TF2B_HUMAN] General factor that plays a major role in the activation of eukaryotic genes transcribed by RNA polymerase II. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The crystal structure of the transcription factor IIB (TFIIB)/TATA box-binding protein (TBP)/TATA-element ternary complex is described at 2.7 A resolution. Core TFIIB resembles cyclin A, and recognizes the preformed TBP-DNA complex through protein-protein and protein-DNA interactions. The amino-terminal domain of core TFIIB forms the downstream surface of the ternary complex, where it could fix the transcription start site. The remaining surfaces of TBP and the TFIIB can interact with TBP-associated factors, other class II initiation factors, and transcriptional activators and coactivators. Crystal structure of a TFIIB-TBP-TATA-element ternary complex.,Nikolov DB, Chen H, Halay ED, Usheva AA, Hisatake K, Lee DK, Roeder RG, Burley SK Nature. 1995 Sep 14;377(6545):119-28. PMID:7675079 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also TATA-Binding Protein Transcription initiation factor

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