1s48

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[[Image:1s48.gif|left|200px]]
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{{STRUCTURE_1s48| PDB=1s48 | SCENE= }}
{{STRUCTURE_1s48| PDB=1s48 | SCENE= }}
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'''Crystal structure of RNA-dependent RNA polymerase construct 1 (residues 71-679) from BVDV'''
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===Crystal structure of RNA-dependent RNA polymerase construct 1 (residues 71-679) from BVDV===
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==Overview==
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The bovine viral diarrhea virus (BVDV) RNA-dependent RNA polymerase can initiate RNA replication by a de novo mechanism without a primer. The structure of BVDV polymerase, determined to 2.9-A resolution, contains a unique N-terminal domain, in addition to the fingers, palm, and thumb domains common to other polymerases. The structure of BVDV polymerase complexed with GTP, which is required for de novo (primer-independent) initiation, shows that GTP binds adjacent to the initiation NTP, suggesting that the GTP mimics a vestigial RNA product. Comparison of five monomers in two different crystal forms showed conformational changes in the fingertip region and in the thumb domain that may help to translocate the RNA template and product strands during elongation. The putative binding sites of previously reported BVDV inhibitors are also discussed.
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(as it appears on PubMed at http://www.pubmed.gov), where 15070734 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15070734}}
==About this Structure==
==About this Structure==
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[[Category: Primer independent initiation]]
[[Category: Primer independent initiation]]
[[Category: Rna virus]]
[[Category: Rna virus]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:16:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 00:32:55 2008''

Revision as of 21:32, 28 July 2008

Image:1s48.png

Template:STRUCTURE 1s48

Crystal structure of RNA-dependent RNA polymerase construct 1 (residues 71-679) from BVDV

Template:ABSTRACT PUBMED 15070734

About this Structure

1S48 is a Single protein structure of sequence from Bovine viral diarrhea virus 1. Full crystallographic information is available from OCA.

Reference

The structure of the RNA-dependent RNA polymerase from bovine viral diarrhea virus establishes the role of GTP in de novo initiation., Choi KH, Groarke JM, Young DC, Kuhn RJ, Smith JL, Pevear DC, Rossmann MG, Proc Natl Acad Sci U S A. 2004 Mar 30;101(13):4425-30. Epub 2004 Mar 19. PMID:15070734

Page seeded by OCA on Tue Jul 29 00:32:55 2008

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