7y0o

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'''Unreleased structure'''
 
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The entry 7y0o is ON HOLD
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==Interface of SARS-CoV-2 WT Spike in complex with R15 Fab and P14 Nanobody==
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<StructureSection load='7y0o' size='340' side='right'caption='[[7y0o]], [[Resolution|resolution]] 4.40&Aring;' scene=''>
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Authors: Wang, L.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7y0o]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens], [https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome_coronavirus_2 Severe acute respiratory syndrome coronavirus 2] and [https://en.wikipedia.org/wiki/Vicugna_pacos Vicugna pacos]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7Y0O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7Y0O FirstGlance]. <br>
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Description: Interface of SARS-CoV-2 WT Spike in complex with R15 Fab and P14 Nanobody
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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]] 4.4&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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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=7y0o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7y0o OCA], [https://pdbe.org/7y0o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7y0o RCSB], [https://www.ebi.ac.uk/pdbsum/7y0o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7y0o ProSAT]</span></td></tr>
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[[Category: Wang, L]]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SPIKE_SARS2 SPIKE_SARS2] attaches the virion to the cell membrane by interacting with host receptor, initiating the infection (By similarity). Binding to human ACE2 receptor and internalization of the virus into the endosomes of the host cell induces conformational changes in the Spike glycoprotein (PubMed:32142651, PubMed:32075877, PubMed:32155444). Uses also human TMPRSS2 for priming in human lung cells which is an essential step for viral entry (PubMed:32142651). Proteolysis by cathepsin CTSL may unmask the fusion peptide of S2 and activate membranes fusion within endosomes.[HAMAP-Rule:MF_04099]<ref>PMID:32075877</ref> <ref>PMID:32142651</ref> <ref>PMID:32155444</ref> mediates fusion of the virion and cellular membranes by acting as a class I viral fusion protein. Under the current model, the protein has at least three conformational states: pre-fusion native state, pre-hairpin intermediate state, and post-fusion hairpin state. During viral and target cell membrane fusion, the coiled coil regions (heptad repeats) assume a trimer-of-hairpins structure, positioning the fusion peptide in close proximity to the C-terminal region of the ectodomain. The formation of this structure appears to drive apposition and subsequent fusion of viral and target cell membranes.[HAMAP-Rule:MF_04099] Acts as a viral fusion peptide which is unmasked following S2 cleavage occurring upon virus endocytosis.[HAMAP-Rule:MF_04099]
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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: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Severe acute respiratory syndrome coronavirus 2]]
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[[Category: Vicugna pacos]]
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[[Category: Wang L]]

Revision as of 06:17, 6 September 2023

Interface of SARS-CoV-2 WT Spike in complex with R15 Fab and P14 Nanobody

PDB ID 7y0o

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