4btq

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{{STRUCTURE_4btq| PDB=4btq | SCENE= }}
 
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===Coordinates of the bacteriophage phi6 capsid subunits fitted into the cryoEM map EMD-1206===
 
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{{ABSTRACT_PUBMED_23891288}}
 
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==Function==
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==Coordinates of the bacteriophage phi6 capsid subunits fitted into the cryoEM map EMD-1206==
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[[http://www.uniprot.org/uniprot/P1_BPPH6 P1_BPPH6]] P1 is the major inner capsid (core) protein of the polyhedral procapsid, which is responsible for genomic replication and transcription. Forms a dodecahedral shell from 60 asymmetric dimers. Binds to RNA and may be involved in genomic packaging.
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<SX load='4btq' size='340' side='right' viewer='molstar' caption='[[4btq]], [[Resolution|resolution]] 7.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4btq]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_virus_phi6 Pseudomonas virus phi6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BTQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BTQ FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 7.5&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4btq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4btq OCA], [https://pdbe.org/4btq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4btq RCSB], [https://www.ebi.ac.uk/pdbsum/4btq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4btq ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/P1_BPPH6 P1_BPPH6] P1 is the major inner capsid (core) protein of the polyhedral procapsid, which is responsible for genomic replication and transcription. Forms a dodecahedral shell from 60 asymmetric dimers. Binds to RNA and may be involved in genomic packaging.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The cystovirus varphi6 shares several distinct features with other double-stranded RNA (dsRNA) viruses, including the human pathogen, rotavirus: segmented genomes, nonequivalent packing of 120 subunits in its icosahedral capsid, and capsids as compartments for transcription and replication. varphi6 assembles as a dodecahedral procapsid that undergoes major conformational changes as it matures into the spherical capsid. We determined the crystal structure of the capsid protein, P1, revealing a flattened trapezoid subunit with an alpha-helical fold. We also solved the procapsid with cryo-electron microscopy to comparable resolution. Fitting the crystal structure into the procapsid disclosed substantial conformational differences between the two P1 conformers. Maturation via two intermediate states involves remodeling on a similar scale, besides huge rigid-body rotations. The capsid structure and its stepwise maturation that is coupled to sequential packaging of three RNA segments sets the cystoviruses apart from other dsRNA viruses as a dynamic molecular machine.
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==About this Structure==
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Subunit Folds and Maturation Pathway of a dsRNA Virus Capsid.,Nemecek D, Boura E, Wu W, Cheng N, Plevka P, Qiao J, Mindich L, Heymann JB, Hurley JH, Steven AC Structure. 2013 Aug 6;21(8):1374-83. doi: 10.1016/j.str.2013.06.007. Epub 2013, Jul 25. PMID:23891288<ref>PMID:23891288</ref>
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[[4btq]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_phage_phi6 Pseudomonas phage phi6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BTQ OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:023891288</ref><references group="xtra"/><references/>
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</div>
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[[Category: Pseudomonas phage phi6]]
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<div class="pdbe-citations 4btq" style="background-color:#fffaf0;"></div>
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[[Category: Boura, E.]]
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== References ==
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[[Category: Cheng, N.]]
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<references/>
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[[Category: Heymann, J B.]]
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__TOC__
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[[Category: Hurley, J H.]]
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</SX>
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[[Category: Mindich, L.]]
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[[Category: Large Structures]]
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[[Category: Nemecek, D.]]
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[[Category: Pseudomonas virus phi6]]
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[[Category: Plevka, P.]]
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[[Category: Boura E]]
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[[Category: Qiao, J.]]
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[[Category: Cheng N]]
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[[Category: Steven, A C.]]
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[[Category: Heymann JB]]
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[[Category: Wu, W.]]
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[[Category: Hurley JH]]
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[[Category: Cystoviridae]]
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[[Category: Mindich L]]
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[[Category: Flexible fitting]]
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[[Category: Nemecek D]]
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[[Category: Procapsid structure]]
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[[Category: Plevka P]]
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[[Category: Viral protein]]
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[[Category: Qiao J]]
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[[Category: Steven AC]]
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[[Category: Wu W]]

Current revision

Coordinates of the bacteriophage phi6 capsid subunits fitted into the cryoEM map EMD-1206

4btq, resolution 7.50Å

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