9b6u

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(New page: '''Unreleased structure''' The entry 9b6u is ON HOLD Authors: Description: Category: Unreleased Structures)
Current revision (10:19, 3 September 2025) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 9b6u is ON HOLD
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==Envelope protein ASU of YFV-17D in complex with 2C9 Fab==
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<StructureSection load='9b6u' size='340' side='right'caption='[[9b6u]], [[Resolution|resolution]] 4.00&Aring;' scene=''>
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Authors:
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9b6u]] is a 9 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Yellow_fever_virus_17D Yellow fever virus 17D]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9B6U OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9B6U FirstGlance]. <br>
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Description:
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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]] 4&#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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></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=9b6u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9b6u OCA], [https://pdbe.org/9b6u PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9b6u RCSB], [https://www.ebi.ac.uk/pdbsum/9b6u PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9b6u ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/POLG_YEFV1 POLG_YEFV1] Capsid protein C self-assembles to form an icosahedral capsid about 30 nm in diameter. The capsid encapsulates the genomic RNA (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> prM acts as a chaperone for envelope protein E during intracellular virion assembly by masking and inactivating envelope protein E fusion peptide. prM is matured in the last step of virion assembly, presumably to avoid catastrophic activation of the viral fusion peptide induced by the acidic pH of the trans-Golgi network. After cleavage by host furin, the pr peptide is released in the extracellular medium and small envelope protein M and envelope protein E homodimers are dissociated (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Envelope protein E binding to host cell surface receptor is followed by virus internalization through clathrin-mediated endocytosis. Envelope protein E is subsequently involved in membrane fusion between virion and host late endosomes. Synthesized as a homodimer with prM which acts as a chaperone for envelope protein E. After cleavage of prM, envelope protein E dissociate from small envelope protein M and homodimerizes (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Non-structural protein 1 is involved in virus replication and regulation of the innate immune response (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Non-structural protein 2A may be involved viral RNA replication and capsid assembly (Potential).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Non-structural protein 2B is a required cofactor for the serine protease function of NS3 (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Serine protease NS3 displays three enzymatic activities: serine protease, NTPase and RNA helicase. NS3 serine protease, in association with NS2B, performs its autocleavage and cleaves the polyprotein at dibasic sites in the cytoplasm: C-prM, NS2A-NS2B, NS2B-NS3, NS3-NS4A, NS4A-2K and NS4B-NS5. NS3 RNA helicase binds RNA and unwinds dsRNA in the 3' to 5' direction (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Non-structural protein 4A induces host endoplasmic reticulum membrane rearrangements leading to the formation of virus-induced membranous vesicles hosting the dsRNA and polymerase, functioning as a replication complex. NS4A might also regulate the ATPase activity of the NS3 helicase (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Peptide 2k functions as a signal peptide for NS4B and is required for the interferon antagonism activity of the latter (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> Non-structural protein 4B inhibits interferon (IFN)-induced host STAT1 phosphorylation and nuclear translocation, thereby preventing the establishment of cellular antiviral state by blocking the IFN-alpha/beta pathway (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</ref> RNA-directed RNA polymerase NS5 replicates the viral (+) and (-) genome, and performs the capping of genomes in the cytoplasm. NS5 methylates viral RNA cap at guanine N-7 and ribose 2'-O positions. Besides its role in genome replication, also prevents the establishment of cellular antiviral state by blocking the interferon-alpha/beta (IFN-alpha/beta) signaling pathway (By similarity).<ref>PMID:8189517</ref> <ref>PMID:9371625</ref> <ref>PMID:15956546</ref> <ref>PMID:17267492</ref> <ref>PMID:19850911</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: Mus musculus]]
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[[Category: Yellow fever virus 17D]]
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[[Category: Bibby S]]
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[[Category: James J]]
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[[Category: Modhiran N]]
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[[Category: Watterson D]]

Current revision

Envelope protein ASU of YFV-17D in complex with 2C9 Fab

PDB ID 9b6u

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