2bzd

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[[Image:2bzd.png|left|200px]]
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==GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.==
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<StructureSection load='2bzd' size='340' side='right' caption='[[2bzd]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2bzd]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Micromonospora_viridifaciens Micromonospora viridifaciens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2bq9 2bq9]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BZD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2BZD FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1eur|1eur]], [[1eus|1eus]], [[1eut|1eut]], [[1euu|1euu]], [[1w8n|1w8n]], [[1w8o|1w8o]], [[1wcq|1wcq]], [[2ber|2ber]], [[2bq9|2bq9]]</td></tr>
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<tr><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><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2bzd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bzd OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2bzd RCSB], [http://www.ebi.ac.uk/pdbsum/2bzd PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bz/2bzd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Glycoside hydrolases often possess carbohydrate-binding modules (CBMs) in addition to their catalytic domains, which help target the enzymes to appropriate substrates and thereby increase their catalytic efficiency. Sialidases hydrolyse the release of sialic acid from a variety of glycoconjugates and play significant roles in the pathogenesis of a number of important diseases. The sialidase from Micromonospora viridifaciens has a CBM which recognizes galactose. The CBM is linked to the catalytic domain by an immunoglobulin-like domain, resulting in the galactose binding site sitting above the catalytic site, suggesting an interplay between the two sites. By studying nine crystallographically independent structures of the M. viridifaciens sialidase, the relative flexibility of the three domains was analysed. A detailed study is also presented of the recognition of galactose and lactose by the M. viridifaciens CBM. The striking structure of this sialidase suggests a role for the CBM in binding to galactose residues unmasked by the adjacent catalytic site.
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{{STRUCTURE_2bzd| PDB=2bzd | SCENE= }}
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Galactose recognition by the carbohydrate-binding module of a bacterial sialidase.,Newstead SL, Watson JN, Bennet AJ, Taylor G Acta Crystallogr D Biol Crystallogr. 2005 Nov;61(Pt 11):1483-91. Epub 2005, Oct 19. PMID:16239725<ref>PMID:16239725</ref>
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===GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_16239725}}
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==About this Structure==
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[[2bzd]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Micromonospora_viridifaciens Micromonospora viridifaciens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2bq9 2bq9]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BZD OCA].
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==See Also==
==See Also==
*[[Neuraminidase|Neuraminidase]]
*[[Neuraminidase|Neuraminidase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016239725</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Exo-alpha-sialidase]]
[[Category: Exo-alpha-sialidase]]
[[Category: Micromonospora viridifaciens]]
[[Category: Micromonospora viridifaciens]]

Revision as of 02:34, 29 September 2014

GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.

2bzd, resolution 2.00Å

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