9xo2: Difference between revisions

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'''Unreleased structure'''


The entry 9xo2 is ON HOLD
==PEDV HNXX spike trimer with one D0 Down in complex with one N19 Fab==
 
<StructureSection load='9xo2' size='340' side='right'caption='[[9xo2]], [[Resolution|resolution]] 2.71&Aring;' scene=''>
Authors:  
== Structural highlights ==
 
<table><tr><td colspan='2'>[[9xo2]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Porcine_epidemic_diarrhea_virus Porcine epidemic diarrhea virus] and [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9XO2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9XO2 FirstGlance]. <br>
Description:  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.71&#8491;</td></tr>
[[Category: Unreleased Structures]]
<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>, <scene name='pdbligand=PAM:PALMITOLEIC+ACID'>PAM</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=9xo2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9xo2 OCA], [https://pdbe.org/9xo2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9xo2 RCSB], [https://www.ebi.ac.uk/pdbsum/9xo2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9xo2 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/A0A7G4RNN0_PEDV A0A7G4RNN0_PEDV] S1 region attaches the virion to the cell membrane by interacting with the host receptor, initiating the infection. Binding to the receptor probably induces conformational changes in the S glycoprotein unmasking the fusion peptide of S2 region and activating membranes fusion. S2 region belongs to the class I viral fusion protein. Under the current model, the protein has at least 3 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) regions 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_04200]
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Porcine epidemic diarrhea virus]]
[[Category: Sus scrofa]]
[[Category: Li Z]]
[[Category: Liu J]]
[[Category: Su M]]
[[Category: Wang J]]
[[Category: Wang S]]
[[Category: Xiong X]]