2eqd

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{{Seed}}
 
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[[Image:2eqd.png|left|200px]]
 
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==Crystal structure of Cel44A, GH family 44 endoglucanase from Clostridium thermocellum==
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The line below this paragraph, containing "STRUCTURE_2eqd", creates the "Structure Box" on the page.
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<StructureSection load='2eqd' size='340' side='right'caption='[[2eqd]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2eqd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Acetivibrio_thermocellus Acetivibrio thermocellus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EQD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2EQD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.8&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PRD_900072:beta-cellooctaose'>PRD_900072</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_2eqd| PDB=2eqd | SCENE= }}
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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=2eqd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2eqd OCA], [https://pdbe.org/2eqd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2eqd RCSB], [https://www.ebi.ac.uk/pdbsum/2eqd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2eqd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/A3DD30_ACET2 A3DD30_ACET2]
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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/eq/2eqd_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=2eqd 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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The crystal structure of Cel44A, which is one of the enzymatic components of the cellulosome of Clostridium thermocellum, was solved at a resolution of 0.96 A. This enzyme belongs to glycoside hydrolase family (GH family) 44. The structure reveals that Cel44A consists of a TIM-like barrel domain and a beta-sandwich domain. The wild-type and the E186Q mutant structures complexed with substrates suggest that two glutamic acid residues, Glu(186) and Glu(359), are the active residues of the enzyme. Biochemical experiments were performed to confirm this idea. The structural features indicate that GH family 44 belongs to clan GH-A and that the reaction catalyzed by Cel44A is retaining type hydrolysis. The stereochemical course of hydrolysis was confirmed by a (1)H NMR experiment using the reduced cellooligosaccharide as a substrate.
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===Crystal structure of Cel44A, GH family 44 endoglucanase from Clostridium thermocellum===
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Crystal structure of Cel44A, a glycoside hydrolase family 44 endoglucanase from Clostridium thermocellum.,Kitago Y, Karita S, Watanabe N, Kamiya M, Aizawa T, Sakka K, Tanaka I J Biol Chem. 2007 Dec 7;282(49):35703-11. Epub 2007 Sep 28. PMID:17905739<ref>PMID:17905739</ref>
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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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<div class="pdbe-citations 2eqd" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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2EQD is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Clostridium_thermocellum Clostridium thermocellum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EQD OCA].
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*[[Glucanase 3D structures|Glucanase 3D structures]]
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[[Category: Clostridium thermocellum]]
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== References ==
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[[Category: Karita, S.]]
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<references/>
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[[Category: Kitago, Y.]]
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__TOC__
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[[Category: Sakka, K.]]
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</StructureSection>
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[[Category: Tanaka, I.]]
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[[Category: Acetivibrio thermocellus]]
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[[Category: Watanabe, N.]]
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[[Category: Large Structures]]
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[[Category: 30]]
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[[Category: Karita S]]
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[[Category: 39]]
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[[Category: Kitago Y]]
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[[Category: 51]]
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[[Category: Sakka K]]
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[[Category: Beta-sandwich]]
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[[Category: Tanaka I]]
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[[Category: Hydrolase]]
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[[Category: Watanabe N]]
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[[Category: The composite domain of gh family 5]]
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[[Category: Tim-barrel]]
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[[Category: Tim-like barrel]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 20:09:37 2009''
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Current revision

Crystal structure of Cel44A, GH family 44 endoglucanase from Clostridium thermocellum

PDB ID 2eqd

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