9g0b

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m (Protected "9g0b" [edit=sysop:move=sysop])
Current revision (06:10, 31 July 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 9g0b is ON HOLD
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==Rhinovirus A2 uncoating intermediate revealing the natural pocket factor (pH 5.8 and 4 degrees Celsius)==
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<StructureSection load='9g0b' size='340' side='right'caption='[[9g0b]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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Authors: Real-Hohn, A., Blaas, D.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9g0b]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Rhinovirus_A2 Rhinovirus A2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9G0B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9G0B FirstGlance]. <br>
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Description: Rhinovirus A2 uncoating intermediate revealing the natural pocket factor (pH 5.8 and 4 degrees Celsius)
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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]] 3.2&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DAO:LAURIC+ACID'>DAO</scene></td></tr>
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[[Category: Blaas, D]]
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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=9g0b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9g0b OCA], [https://pdbe.org/9g0b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9g0b RCSB], [https://www.ebi.ac.uk/pdbsum/9g0b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9g0b ProSAT]</span></td></tr>
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[[Category: Real-Hohn, A]]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/POLG_HRV2 POLG_HRV2] Capsid proteins VP1, VP2, VP3 and VP4 form a closed capsid enclosing the viral positive strand RNA genome. VP4 lies on the inner surface of the protein shell formed by VP1, VP2 and VP3. All the three latter proteins contain a beta-sheet structure called beta-barrel jelly roll. Together they form an icosahedral capsid (T=3) composed of 60 copies of each VP1, VP2, and VP3, with a diameter of approximately 300 Angstroms. VP1 is situated at the 12 fivefold axes, whereas VP2 and VP3 are located at the quasi-sixfold axes. The capsid interacts with human VLDLR to provide virion attachment to target cell. This attachment induces virion internalization predominantly through clathrin-mediated endocytosis. VP4 and VP1 subsequently undergo conformational changes leading to the formation of a pore in the endosomal membrane, thereby delivering the viral genome into the cytoplasm.<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> VP0 precursor is a component of immature procapsids (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> Protein 2A is a cysteine protease that is responsible for the cleavage between the P1 and P2 regions. It cleaves the host translation initiation factor EIF4G1, in order to shut down the capped cellular mRNA transcription.<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> Protein 2B affects membrane integrity and cause an increase in membrane permeability (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> Protein 2C associates with and induces structural rearrangements of intracellular membranes. It displays RNA-binding, nucleotide binding and NTPase activities (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> Protein 3A, via its hydrophobic domain, serves as membrane anchor (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> Protein 3C is a cysteine protease that generates mature viral proteins from the precursor polyprotein. In addition to its proteolytic activity, it binds to viral RNA, and thus influences viral genome replication. RNA and substrate bind co-operatively to the protease (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref> RNA-directed RNA polymerase 3D-POL replicates genomic and antigenomic RNA by recognizing replications specific signals (By similarity).<ref>PMID:11034318</ref> <ref>PMID:12191477</ref>
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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: Large Structures]]
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[[Category: Rhinovirus A2]]
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[[Category: Blaas D]]
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[[Category: Real-Hohn A]]

Current revision

Rhinovirus A2 uncoating intermediate revealing the natural pocket factor (pH 5.8 and 4 degrees Celsius)

PDB ID 9g0b

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