4c1p

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==Geobacillus thermoglucosidasius GH family 52 xylosidase==
==Geobacillus thermoglucosidasius GH family 52 xylosidase==
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<StructureSection load='4c1p' size='340' side='right' caption='[[4c1p]], [[Resolution|resolution]] 2.63&Aring;' scene=''>
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<StructureSection load='4c1p' size='340' side='right'caption='[[4c1p]], [[Resolution|resolution]] 2.63&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4c1p]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C1P OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4C1P FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4c1p]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Parageobacillus_thermoglucosidasius Parageobacillus thermoglucosidasius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C1P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4C1P FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BXP:4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSE'>BXP</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene><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]] 2.634&#8491;</td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4c1o|4c1o]]</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=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=PRD_900116:4beta-beta-xylobiose'>PRD_900116</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></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/Xylan_1,4-beta-xylosidase Xylan 1,4-beta-xylosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.37 3.2.1.37] </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=4c1p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c1p OCA], [https://pdbe.org/4c1p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4c1p RCSB], [https://www.ebi.ac.uk/pdbsum/4c1p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4c1p ProSAT]</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=4c1p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c1p OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4c1p RCSB], [http://www.ebi.ac.uk/pdbsum/4c1p PDBsum]</span></td></tr>
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</table>
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<table>
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== Function ==
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<div style="background-color:#fffaf0;">
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[https://www.uniprot.org/uniprot/A0A067XG64_PARTM A0A067XG64_PARTM]
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== Publication Abstract from PubMed ==
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Geobacillus thermoglucosidasius is a thermophilic bacterium that is able to ferment both C6 and C5 sugars to produce ethanol. During growth on hemicellulose biomass, an intracellular beta-xylosidase catalyses the hydrolysis of xylo-oligosaccharides to the monosaccharide xylose, which can then enter the pathways of central metabolism. The gene encoding a G. thermoglucosidasius beta-xylosidase belonging to CAZy glycoside hydrolase family GH52 has been cloned and expressed in Escherichia coli. The recombinant enzyme has been characterized and a high-resolution (1.7 A) crystal structure has been determined, resulting in the first reported structure of a GH52 family member. A lower resolution (2.6 A) structure of the enzyme-substrate complex shows the positioning of the xylobiose substrate to be consistent with the proposed retaining mechanism of the family; additionally, the deep cleft of the active-site pocket, plus the proximity of the neighbouring subunit, afford an explanation for the lack of catalytic activity towards the polymer xylan. Whilst the fold of the G. thermoglucosidasius beta-xylosidase is completely different from xylosidases in other CAZy families, the enzyme surprisingly shares structural similarities with other glycoside hydrolases, despite having no more than 13% sequence identity.
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A novel beta-xylosidase structure from Geobacillus thermoglucosidasius: the first crystal structure of a glycoside hydrolase family GH52 enzyme reveals unpredicted similarity to other glycoside hydrolase folds.,Espina G, Eley K, Pompidor G, Schneider TR, Crennell SJ, Danson MJ Acta Crystallogr D Biol Crystallogr. 2014 May;70(Pt 5):1366-74. doi:, 10.1107/S1399004714002788. Epub 2014 Apr 30. PMID:24816105<ref>PMID:24816105</ref>
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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==See Also==
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</div>
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*[[Xylosidase 3D structures|Xylosidase 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Xylan 1,4-beta-xylosidase]]
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[[Category: Large Structures]]
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[[Category: Crennell, S J.]]
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[[Category: Parageobacillus thermoglucosidasius]]
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[[Category: Danson, M J.]]
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[[Category: Crennell SJ]]
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[[Category: Eley, K.]]
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[[Category: Danson MJ]]
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[[Category: Espina, G.]]
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[[Category: Eley K]]
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[[Category: Schneider, T R.]]
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[[Category: Espina G]]
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[[Category: Gh52]]
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[[Category: Schneider TR]]
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[[Category: Hydrolase]]
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[[Category: Xylobiose]]
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Current revision

Geobacillus thermoglucosidasius GH family 52 xylosidase

PDB ID 4c1p

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