2bat

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<StructureSection load='2bat' size='340' side='right'caption='[[2bat]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='2bat' size='340' side='right'caption='[[2bat]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2bat]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/I67a0 I67a0]. The May 2009 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Influenza Neuraminidase'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2009_5 10.2210/rcsb_pdb/mom_2009_5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BAT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2BAT FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2bat]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/Tokyo/3/1967(H2N2)) Influenza A virus (A/Tokyo/3/1967(H2N2))]. The May 2009 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Influenza Neuraminidase'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2009_5 10.2210/rcsb_pdb/mom_2009_5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BAT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2BAT FirstGlance]. <br>
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</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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=FUL:BETA-L-FUCOSE'>FUL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NGK:2-(ACETYLAMINO)-2-DEOXY-4-O-SULFO-ALPHA-D-GALACTOPYRANOSE'>NGK</scene>, <scene name='pdbligand=SIA:O-SIALIC+ACID'>SIA</scene></td></tr>
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</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&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1nn2|1nn2]]</td></tr>
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<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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=FUL:BETA-L-FUCOSE'>FUL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NGK:2-(ACETYLAMINO)-2-DEOXY-4-O-SULFO-ALPHA-D-GALACTOPYRANOSE'>NGK</scene>, <scene name='pdbligand=SIA:O-SIALIC+ACID'>SIA</scene></td></tr>
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<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>
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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=2bat FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bat OCA], [https://pdbe.org/2bat PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2bat RCSB], [https://www.ebi.ac.uk/pdbsum/2bat PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2bat ProSAT]</span></td></tr>
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<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=2bat FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bat OCA], [http://pdbe.org/2bat PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2bat RCSB], [http://www.ebi.ac.uk/pdbsum/2bat PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2bat ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/NRAM_I67A0 NRAM_I67A0]] 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.
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[https://www.uniprot.org/uniprot/NRAM_I67A0 NRAM_I67A0] 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.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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<jmolCheckbox>
<jmolCheckbox>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ba/2bat_consurf.spt"</scriptWhenChecked>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ba/2bat_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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==See Also==
==See Also==
*[[Neuraminidase 3D structures|Neuraminidase 3D structures]]
*[[Neuraminidase 3D structures|Neuraminidase 3D structures]]
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*[[Teaching Scenes%2C Tutorials%2C and Educators' Pages|Teaching Scenes%2C Tutorials%2C and Educators' Pages]]
 
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Exo-alpha-sialidase]]
 
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[[Category: I67a0]]
 
[[Category: Influenza Neuraminidase]]
[[Category: Influenza Neuraminidase]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Colman, P M]]
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[[Category: Colman PM]]
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[[Category: Varghese, J N]]
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[[Category: Varghese JN]]

Current revision

THE STRUCTURE OF THE COMPLEX BETWEEN INFLUENZA VIRUS NEURAMINIDASE AND SIALIC ACID, THE VIRAL RECEPTOR

PDB ID 2bat

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