1ocq

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[[Image:1ocq.png|left|200px]]
 
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{{STRUCTURE_1ocq| PDB=1ocq | SCENE= }}
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==COMPLEX OF THE ENDOGLUCANASE CEL5A FROM BACILLUS AGARADHEARANS AT 1.08 ANGSTROM RESOLUTION with cellobio-derived isofagomine==
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<StructureSection load='1ocq' size='340' side='right'caption='[[1ocq]], [[Resolution|resolution]] 1.08&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ocq]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Salipaludibacillus_agaradhaerens Salipaludibacillus agaradhaerens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OCQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OCQ FirstGlance]. <br>
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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]] 1.08&#8491;</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=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=IFM:5-HYDROXYMETHYL-3,4-DIHYDROXYPIPERIDINE'>IFM</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=1ocq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ocq OCA], [https://pdbe.org/1ocq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ocq RCSB], [https://www.ebi.ac.uk/pdbsum/1ocq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ocq ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GUN5_SALAG GUN5_SALAG]
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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/oc/1ocq_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/main_output.php?pdb_ID=1ocq 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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Glycosidases are some of the most ubiquitous enzyme in nature. Their biological significance, coupled to their enormous catalytic prowess derived from tight binding of the transition state, is reflected in their importance as therapeutic targets. Many glycosidase inhibitors are known. Imino sugars are often potent inhibitors, yet many facets of their mode of action, such as their degree, if any, of transition-state "mimicry" and their protonation state when bound to the target glycosidase remain unclear. Atomic resolution analysis of the endoglucanase, Cel5A, in complex with a cellobio-derived isofagomine in conjunction with the pH dependence of Ki and kcat/KM reveals that this compound binds as a protonated sugar. Surprisingly, both the enzymatic nucleophile and the acid/base are unprotonated in the complex.
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===COMPLEX OF THE ENDOGLUCANASE CEL5A FROM BACILLUS AGARADHEARANS AT 1.08 ANGSTROM RESOLUTION WITH CELLOBIO-DERIVED ISOFAGOMINE===
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Direct observation of the protonation state of an imino sugar glycosidase inhibitor upon binding.,Varrot A, Tarling CA, Macdonald JM, Stick RV, Zechel DL, Withers SG, Davies GJ J Am Chem Soc. 2003 Jun 25;125(25):7496-7. PMID:12812472<ref>PMID:12812472</ref>
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{{ABSTRACT_PUBMED_12812472}}
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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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==About this Structure==
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<div class="pdbe-citations 1ocq" style="background-color:#fffaf0;"></div>
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[[1ocq]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_agaradhaerens Bacillus agaradhaerens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OCQ OCA].
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==See Also==
==See Also==
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*[[Glucanase|Glucanase]]
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*[[Glucanase 3D structures|Glucanase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:012812472</ref><references group="xtra"/>
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__TOC__
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[[Category: Bacillus agaradhaerens]]
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</StructureSection>
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[[Category: Cellulase]]
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[[Category: Large Structures]]
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[[Category: Davies, G J.]]
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[[Category: Salipaludibacillus agaradhaerens]]
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[[Category: Macdonald, J M.]]
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[[Category: Davies GJ]]
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[[Category: Stick, R V.]]
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[[Category: Macdonald J]]
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[[Category: Varrot, A.]]
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[[Category: Stick RV]]
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[[Category: Withers, S G.]]
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[[Category: Varrot A]]
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[[Category: Cellulose degradation]]
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[[Category: Withers SG]]
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[[Category: Endoglucanase]]
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[[Category: Glycosidase]]
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[[Category: Hydrolase]]
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Current revision

COMPLEX OF THE ENDOGLUCANASE CEL5A FROM BACILLUS AGARADHEARANS AT 1.08 ANGSTROM RESOLUTION with cellobio-derived isofagomine

PDB ID 1ocq

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