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3pzu

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==P212121 crystal form of the endo-1,4-beta-glucanase from Bacillus subtilis 168==
==P212121 crystal form of the endo-1,4-beta-glucanase from Bacillus subtilis 168==
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<StructureSection load='3pzu' size='340' side='right' caption='[[3pzu]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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<StructureSection load='3pzu' size='340' side='right'caption='[[3pzu]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3pzu]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacsu Bacsu]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PZU OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3PZU FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3pzu]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis_subsp._subtilis_str._168 Bacillus subtilis subsp. subtilis str. 168]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PZU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PZU 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=GOL:GLYCEROL'>GOL</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]] 2.1&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3pzt|3pzt]], [[3pzv|3pzv]]</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=GOL:GLYCEROL'>GOL</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">eglS, bglC, gld, BSU18130 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=224308 BACSU])</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=3pzu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pzu OCA], [https://pdbe.org/3pzu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3pzu RCSB], [https://www.ebi.ac.uk/pdbsum/3pzu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3pzu ProSAT]</span></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/Cellulase Cellulase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.4 3.2.1.4] </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=3pzu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pzu OCA], [http://pdbe.org/3pzu PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3pzu RCSB], [http://www.ebi.ac.uk/pdbsum/3pzu PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3pzu ProSAT]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/GUN2_BACSU GUN2_BACSU]
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Cellulases participate in a number of biological events such as plant cell wall remodeling, nematode parasitism and microbial carbon uptake. Their ability to depolymerize crystalline cellulose is of great biotechnological interest for environmentally-compatible production of fuels from lignocellulosic biomass. However, industrial use of cellulases is somewhat limited both by their low catalytic efficiency and stability. In this work, we conducted a detailed functional and structural characterization of the thermostable cellulase 5A from Bacillus subtilis (BsCel5A), which consists of a GH5 catalytic domain fused to a family 3 carbohydrate-binding module (CBM3). NMR structural analysis revealed that the Bacillus CBM3 represents a new subfamily, which lacks the classical calcium-binding motif and variations in NMR frequencies in the presence of cellopentaose showed the importance of polar residues in the carbohydrate interaction. Together with the catalytic domain, the CBM3 forms a large planar surface for cellulose recognition, which conducts the substrate in a proper conformation to the active site and increases enzymatic efficiency. Notably, the manganese ion demonstrated to have a hyper-stabilizing effect on BsCel5A and by using deletion constructs and X-ray crystallography, we determined that this effect maps to a negatively charged motif located at the opposite face of the catalytic site.
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Dissecting structure-function-stability relationships of a thermostable GH5-CBM3 cellulase from Bacillus subtilis 168.,Santos C, Paiva J, Sforca M, Neves J, Navarro R, Cota J, Akao P, Hoffmam ZB, Meza A, Smetana J, Nogueira M, Polikarpov I, Xavier-Neto J, Squina F, Ward RJ, Ruller R, Zeri A, Murakami MT Biochem J. 2011 Sep 1. PMID:21880019<ref>PMID:21880019</ref>
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==See Also==
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*[[Glucanase 3D structures|Glucanase 3D structures]]
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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 3pzu" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bacsu]]
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[[Category: Bacillus subtilis subsp. subtilis str. 168]]
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[[Category: Cellulase]]
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[[Category: Large Structures]]
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[[Category: Akao, P K]]
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[[Category: Akao PK]]
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[[Category: Meza, A N]]
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[[Category: Meza AN]]
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[[Category: Murakami, M T]]
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[[Category: Murakami MT]]
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[[Category: Paiva, J H]]
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[[Category: Paiva JH]]
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[[Category: Ruller, R]]
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[[Category: Ruller R]]
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[[Category: Santos, C R]]
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[[Category: Santos CR]]
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[[Category: Silva, J C]]
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[[Category: Silva JC]]
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[[Category: Squina, F M]]
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[[Category: Squina FM]]
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[[Category: Ward, R J]]
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[[Category: Ward RJ]]
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[[Category: Alpha/beta barrel]]
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[[Category: Cellulose binding]]
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[[Category: Glycosyl hydrolase]]
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[[Category: Hydrolase]]
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Current revision

P212121 crystal form of the endo-1,4-beta-glucanase from Bacillus subtilis 168

PDB ID 3pzu

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