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==Crystal structure of Mouse Hepatitis virus strain S Hemagglutinin- esterase in complex with 4-O-acetylated sialic acid==
==Crystal structure of Mouse Hepatitis virus strain S Hemagglutinin- esterase in complex with 4-O-acetylated sialic acid==
<StructureSection load='4c7w' size='340' side='right' caption='[[4c7w]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
<StructureSection load='4c7w' size='340' side='right'caption='[[4c7w]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4c7w]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Murine_hepatitis_virus Murine hepatitis virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C7W OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4C7W FirstGlance]. <br>
<table><tr><td colspan='2'>[[4c7w]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Murine_hepatitis_virus Murine hepatitis virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C7W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4C7W FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SIO:METHYL+4,9-DI-O-ACETYL-5-(ACETYLAMINO)-3,5-DIDEOXY-D-GLYCERO-ALPHA-D-GALACTO-NON-2-ULOPYRANOSIDONIC+ACID'>SIO</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">X-ray diffraction, [[Resolution|Resolution]] 2.5&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4c7l|4c7l]]</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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SIO:METHYL+4,9-DI-O-ACETYL-5-(ACETYLAMINO)-3,5-DIDEOXY-D-GLYCERO-ALPHA-D-GALACTO-NON-2-ULOPYRANOSIDONIC+ACID'>SIO</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Sialate_O-acetylesterase Sialate O-acetylesterase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.1.53 3.1.1.53] </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=4c7w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c7w OCA], [https://pdbe.org/4c7w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4c7w RCSB], [https://www.ebi.ac.uk/pdbsum/4c7w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4c7w ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4c7w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c7w OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4c7w RCSB], [http://www.ebi.ac.uk/pdbsum/4c7w PDBsum]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/HEMA_CVMS HEMA_CVMS] Structural protein that makes short spikes at the surface of the virus. Contains receptor binding and receptor-destroying activities. Mediates de-O-acetylation of N-acetyl-4-O-acetylneuraminic acid, which is probably the receptor determinant recognized by the virus on the surface of erythrocytes and susceptible cells. This receptor-destroying activity is important for virus release as it probably helps preventing self-aggregation and ensures the efficient spread of the progeny virus from cell to cell. May serve as a secondary viral attachment protein for initiating infection, the spike protein being the major one. May become a target for both the humoral and the cellular branches of the immune system.[HAMAP-Rule:MF_04207]<ref>PMID:22291594</ref>
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 4c7w" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Hemagglutinin-esterase|Hemagglutinin-esterase]]
*[[Hemagglutinin-esterase 3D structures|Hemagglutinin-esterase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Murine hepatitis virus]]
[[Category: Murine hepatitis virus]]
[[Category: Sialate O-acetylesterase]]
[[Category: Huizinga EG]]
[[Category: Huizinga, E G]]
[[Category: Zeng QH]]
[[Category: Zeng, Q H]]
[[Category: Hydrolase]]
[[Category: Receptor binding]]
[[Category: Receptor destroying]]

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