1nq6

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[[Image:1nq6.png|left|200px]]
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==Crystal Structure of the catalytic domain of xylanase A from Streptomyces halstedii JM8==
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<StructureSection load='1nq6' size='340' side='right' caption='[[1nq6]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1nq6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptomyces_halstedii Streptomyces halstedii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NQ6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1NQ6 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">xysA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1944 Streptomyces halstedii])</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/Endo-1,4-beta-xylanase Endo-1,4-beta-xylanase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.8 3.2.1.8] </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=1nq6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nq6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1nq6 RCSB], [http://www.ebi.ac.uk/pdbsum/1nq6 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/nq/1nq6_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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Xylanases hydrolyze the beta-1,4-linked xylose backbone of xylans. They are of increasing interest in the paper and food industries for their pre-bleaching and bio-pulping applications. Such industries demand new xylanases to cover a wider range of cleavage specificity, activity and stability. The catalytic domain of xylanase Xys1 from Streptomyces halstedii JM8 was expressed, purified and crystallized and native data were collected to 1.78 A resolution with an R(merge) of 4.4%. The crystals belong to space group P2(1)2(1)2(1), with unit-cell parameters a = 34.05, b = 79.60, c = 87.80 A. The structure was solved by the molecular-replacement method using the structure of the homologue Xyl10A from Streptomyces lividans. In a similar manner to other members of its family, Xys1 folds to form a standard (beta/alpha)(8) barrel with the two catalytic functions, the acid/base and the nucleophile, at its C-terminal side. The overall structure is described and compared with those of related xylanases.
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{{STRUCTURE_1nq6| PDB=1nq6 | SCENE= }}
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Structure of xylanase Xys1delta from Streptomyces halstedii.,Canals A, Vega MC, Gomis-Ruth FX, Diaz M, Santamaria R RI, Coll M Acta Crystallogr D Biol Crystallogr. 2003 Aug;59(Pt 8):1447-53. Epub 2003, Jul 23. PMID:12876348<ref>PMID:12876348</ref>
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===Crystal Structure of the catalytic domain of xylanase A from Streptomyces halstedii JM8===
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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_12876348}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1nq6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptomyces_halstedii Streptomyces halstedii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NQ6 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012876348</ref><references group="xtra"/>
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[[Category: Endo-1,4-beta-xylanase]]
[[Category: Endo-1,4-beta-xylanase]]
[[Category: Streptomyces halstedii]]
[[Category: Streptomyces halstedii]]

Revision as of 15:41, 28 September 2014

Crystal Structure of the catalytic domain of xylanase A from Streptomyces halstedii JM8

1nq6, resolution 1.78Å

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