1t7p | pdb_00001t7p

T7 DNA POLYMERASE COMPLEXED TO DNA PRIMER/TEMPLATE,A NUCLEOSIDE TRIPHOSPHATE, AND ITS PROCESSIVITY FACTOR THIOREDOXIN

spinqualitylabelsall models 1t7p, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1t7p is a 4 chain structure with sequence from Enterobacteria phage t7 and Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: DG3, MG NonStd Res: 2DA Activity: DNA-directed DNA polymerase, with EC number 2.7.7.7 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 DNA polymerases change their specificity for nucleotide substrates with each catalytic cycle, while achieving error frequencies in the range of 10(-5) to 10(-6). Here we present a 2.2 A crystal structure of the replicative DNA polymerase from bacteriophage T7 complexed with a primer-template and a nucleoside triphosphate in the polymerase active site. The structure illustrates how nucleotides are selected in a template-directed manner, and provides a structural basis for a metal-assisted mechanism of phosphoryl transfer by a large group of related polymerases. Crystal structure of a bacteriophage T7 DNA replication complex at 2.2 A resolution.,Doublie S, Tabor S, Long AM, Richardson CC, Ellenberger T Nature. 1998 Jan 15;391(6664):251-8. PMID:9440688 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also DNA polymerase Thioredoxin

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