6tz1

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'''Unreleased structure'''
 
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The entry 6tz1 is ON HOLD until Paper Publication
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==In situ structure of BmCPV RNA-dependent RNA polymerase at early-elongation state==
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<StructureSection load='6tz1' size='340' side='right'caption='[[6tz1]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[6tz1]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/Bombyx_mori_cytoplasmic_polyhedrosis_virus Bombyx mori cytoplasmic polyhedrosis virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6TZ1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6TZ1 FirstGlance]. <br>
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</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=GTA:P1-7-METHYLGUANOSINE-P3-ADENOSINE-5,5-TRIPHOSPHATE'>GTA</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/RNA-directed_RNA_polymerase RNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.48 2.7.7.48] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6tz1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6tz1 OCA], [http://pdbe.org/6tz1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6tz1 RCSB], [http://www.ebi.ac.uk/pdbsum/6tz1 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6tz1 ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Endogenous RNA transcription characterizes double-stranded RNA (dsRNA) viruses in the Reoviridae, a family that is exemplified by its simple, single-shelled member cytoplasmic polyhedrosis virus (CPV). Because of the lack of in situ structures of the intermediate stages of RNA-dependent RNA polymerase (RdRp) during transcription, it is poorly understood how RdRp detects environmental cues and internal transcriptional states to initiate and coordinate repeated cycles of transcript production inside the capsid. Here, we captured five high-resolution (2.8-3.5 A) RdRp-RNA in situ structures-representing quiescent, initiation, early elongation, elongation and abortive states-under seven experimental conditions of CPV. We observed the 'Y'-form initial RNA fork in the initiation state and the complete transcription bubble in the elongation state. These structures reveal that de novo RNA transcription involves three major conformational changes during state transitions. Our results support an ouroboros model for endogenous conservative transcription in dsRNA viruses.
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Authors:
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Conservative transcription in three steps visualized in a double-stranded RNA virus.,Cui Y, Zhang Y, Zhou K, Sun J, Zhou ZH Nat Struct Mol Biol. 2019 Nov;26(11):1023-1034. doi: 10.1038/s41594-019-0320-0., Epub 2019 Nov 6. PMID:31695188<ref>PMID:31695188</ref>
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Description:
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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<div class="pdbe-citations 6tz1" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Bombyx mori cytoplasmic polyhedrosis virus]]
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[[Category: Large Structures]]
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[[Category: RNA-directed RNA polymerase]]
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[[Category: Cui, Y X]]
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[[Category: Sun, J C]]
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[[Category: Zhang, Y N]]
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[[Category: Zhou, Z H]]
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[[Category: Cap-binding]]
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[[Category: Early-elongation]]
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[[Category: Rdrp-rna complex]]
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[[Category: Transferase-rna complex]]
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[[Category: Viral protein]]

Revision as of 15:39, 20 November 2019

In situ structure of BmCPV RNA-dependent RNA polymerase at early-elongation state

PDB ID 6tz1

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