1tbd | pdb_00001tbd

SOLUTION STRUCTURE OF THE ORIGIN DNA BINDING DOMAIN OF SV40 T-ANTIGEN, NMR, MINIMIZED AVERAGE STRUCTURE

spinqualitylabelsall models 1tbd, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1tbd is a 1 chain structure with sequence from Simian virus 40. The November 2003 RCSB PDB Molecule of the Month feature on Simian Virus 40 by David S. Goodsell is 10.2210/rcsb_pdb/mom_2003_11. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum 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 structure of the domain from simian virus 40 (SV40) large T-antigen that binds to the SV40 origin of DNA replication (T-ag-OBD131-260) has been determined by nuclear magnetic resonance spectroscopy. The overall fold, consisting of a central five-stranded antiparallel beta-sheet flanked by two alpha-helices on one side and one alpha-helix and one 3(10)-helix on the other, is a new one. Previous mutational analyses have identified two elements, termed A (approximately 152-155) and B2 (203-207), as essential for origin-specific recognition. These elements form two closely juxtaposed loops that define a continuous surface on the protein. The addition of a duplex oligonucleotide containing the origin recognition pentanucleotide GAGGC induces chemical shift changes and slows amide proton exchange in resonances from this region, indicating that this surface directly contacts the DNA. Solution structure of the origin DNA-binding domain of SV40 T-antigen.,Luo X, Sanford DG, Bullock PA, Bachovchin WW Nat Struct Biol. 1996 Dec;3(12):1034-9. PMID:8946857 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Large T Antigen

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