6q23: Difference between revisions

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<StructureSection load='6q23' size='340' side='right'caption='[[6q23]], [[Resolution|resolution]] 3.27&Aring;' scene=''>
<StructureSection load='6q23' size='340' side='right'caption='[[6q23]], [[Resolution|resolution]] 3.27&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6q23]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human] and [http://en.wikipedia.org/wiki/I09a0 I09a0]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Q23 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6Q23 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6q23]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/California/04/2009(H1N1)) Influenza A virus (A/California/04/2009(H1N1))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Q23 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6Q23 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</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]] 3.27&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=641501 I09A0])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Exo-alpha-sialidase Exo-alpha-sialidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.18 3.2.1.18] </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=6q23 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6q23 OCA], [https://pdbe.org/6q23 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6q23 RCSB], [https://www.ebi.ac.uk/pdbsum/6q23 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6q23 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=6q23 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6q23 OCA], [http://pdbe.org/6q23 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6q23 RCSB], [http://www.ebi.ac.uk/pdbsum/6q23 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6q23 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/C5MQL2_9INFA C5MQL2_9INFA]] Catalyzes the removal of terminal sialic acid residues from viral and cellular glycoconjugates. Cleaves off the terminal sialic acids on the glycosylated HA during virus budding to facilitate virus release. Additionally helps virus spread through the circulation by further removing sialic acids from the cell surface. These cleavages prevent self-aggregation and ensure the efficient spread of the progeny virus from cell to cell. Otherwise, infection would be limited to one round of replication. Described as a receptor-destroying enzyme because it cleaves a terminal sialic acid from the cellular receptors. May facilitate viral invasion of the upper airways by cleaving the sialic acid moities on the mucin of the airway epithelial cells. Likely to plays a role in the budding process through its association with lipid rafts during intracellular transport. May additionally display a raft-association independent effect on budding. Plays a role in the determination of host range restriction on replication and virulence. Sialidase activity in late endosome/lysosome traffic seems to enhance virus replication.[HAMAP-Rule:MF_04071][SAAS:SAAS00844152]  
[https://www.uniprot.org/uniprot/C3W5S3_I09A0 C3W5S3_I09A0]  
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
*[[Antibody 3D structures|Antibody 3D structures]]
*[[Neuraminidase 3D structures|Neuraminidase 3D structures]]
*[[Neuraminidase 3D structures|Neuraminidase 3D structures]]
== References ==
== References ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Exo-alpha-sialidase]]
[[Category: Homo sapiens]]
[[Category: Human]]
[[Category: I09a0]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Wilson, I A]]
[[Category: Wilson IA]]
[[Category: Zhu, X]]
[[Category: Zhu X]]
[[Category: Active site]]
[[Category: Antibody-neuraminidase complex]]
[[Category: Broadly protective human antibody]]
[[Category: Hydrolase-immune system complex]]
[[Category: Inhibition]]
[[Category: Viral protein]]
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