1nb6 | pdb_00001nb6

HC-J4 RNA polymerase complexed with UTP

spinqualitylabelsall models 1nb6, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1nb6 is a 2 chain structure with sequence from Hepatitis c virus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MN, UTP Related: 1nb4, 1nb7 Activity: RNA-directed RNA polymerase, with EC number 2.7.7.48 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 Several crystal structures of the hepatitis C virus NS5B protein (genotype-1b, strain J4) complexed with metal ions, single-stranded RNA or nucleoside-triphosphates have been determined. These complexes illustrate how conserved amino acid side-chains, together with essential structural features within the active site, control nucleotide binding and likely mediate de-novo initiation. The incoming nucleotide interacts with several basic residues from an extension on the NS5B fingers domain, a beta-hairpin from the NS5B thumb domain and the C-terminal arm. The modular, bi-partite fingers domain carries a long binding groove which guides the template towards the catalytic site. The apo-polymerase structure provides unprecedented insights into potential non-nucleoside inhibitor binding sites located between palm and thumb near motif E, which is unique to RNA polymerases and reverse transcriptases. Substrate complexes of hepatitis C virus RNA polymerase (HC-J4): structural evidence for nucleotide import and de-novo initiation.,O'Farrell D, Trowbridge R, Rowlands D, Jager J J Mol Biol. 2003 Feb 28;326(4):1025-35. PMID:12589751 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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