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<SX load='6nb7' size='340' side='right' viewer='molstar' caption='[[6nb7]], [[Resolution|resolution]] 4.50&Aring;' scene=''>
<SX load='6nb7' size='340' side='right' viewer='molstar' caption='[[6nb7]], [[Resolution|resolution]] 4.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6nb7]] is a 9 chain structure with sequence from [https://en.wikipedia.org/wiki/ ] and [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NB7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NB7 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6nb7]] is a 9 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome-related_coronavirus Severe acute respiratory syndrome-related coronavirus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NB7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NB7 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 4.5&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[6nb3|6nb3]], [[6nb4|6nb4]], [[6nb5|6nb5]], [[6nb6|6nb6]], [[6nb8|6nb8]]</div></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6nb7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nb7 OCA], [https://pdbe.org/6nb7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nb7 RCSB], [https://www.ebi.ac.uk/pdbsum/6nb7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nb7 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6nb7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nb7 OCA], [https://pdbe.org/6nb7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nb7 RCSB], [https://www.ebi.ac.uk/pdbsum/6nb7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nb7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[[https://www.uniprot.org/uniprot/SPIKE_CVHSA SPIKE_CVHSA]] S1 attaches the virion to the cell membrane by interacting with human ACE2 and CLEC4M/DC-SIGNR, initiating the infection. Binding to the receptor and internalization of the virus into the endosomes of the host cell probably induces conformational changes in the S glycoprotein. Proteolysis by cathepsin CTSL may unmask the fusion peptide of S2 and activate membranes fusion within endosomes.  S2 is 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.
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
*[[Antibody 3D structures|Antibody 3D structures]]
*[[Sandbox 3001|Sandbox 3001]]
*[[Sandbox 3001|Sandbox 3001]]
*[[Spike protein|Spike protein]]
*[[Spike protein 3D structures|Spike protein 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</SX>
</SX>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Cameroni, E]]
[[Category: Severe acute respiratory syndrome-related coronavirus]]
[[Category: Corti, D]]
[[Category: Cameroni E]]
[[Category: Gopal, R]]
[[Category: Corti D]]
[[Category: Lanzavecchia, A]]
[[Category: Gopal R]]
[[Category: Mian, D]]
[[Category: Lanzavecchia A]]
[[Category: Park, Y J]]
[[Category: Mian D]]
[[Category: Quispe, J]]
[[Category: Park YJ]]
[[Category: Rey, F A]]
[[Category: Quispe J]]
[[Category: Structural genomic]]
[[Category: Rey FA]]
[[Category: Snijder, S]]
[[Category: Snijder S]]
[[Category: Tortorici, M A]]
[[Category: Tortorici MA]]
[[Category: Veesler, D]]
[[Category: Veesler D]]
[[Category: Walls, A C]]
[[Category: Walls AC]]
[[Category: Xiong, X]]
[[Category: Xiong X]]
[[Category: Zambon, M]]
[[Category: Zambon M]]
[[Category: Coronavirus spike glycoprotein]]
[[Category: Human neutralizing antibody]]
[[Category: Mers-cov]]
[[Category: Sars-cov]]
[[Category: Ssgcid]]
[[Category: Virus]]

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