1gom

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[[Image:1gom.png|left|200px]]
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==THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS -CRYSTAL FORM I==
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<StructureSection load='1gom' size='340' side='right' caption='[[1gom]], [[Resolution|resolution]] 1.92&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1gom]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermoascus_aurantiacus Thermoascus aurantiacus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1tix 1tix]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GOM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1GOM FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1fxm|1fxm]], [[1gok|1gok]], [[1tax|1tax]], [[1tix|1tix]]</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=1gom FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gom OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1gom RCSB], [http://www.ebi.ac.uk/pdbsum/1gom 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/go/1gom_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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The substrate specificity of Thermoascus aurantiacus xylanase 10A (TAX) has been investigated both biochemically and structurally. High resolution crystallographic analyses at 291 K and 100 K of TAX complexes with xylobiose show that the ligand is in its alpha anomeric conformation and provide a rationale for specificity on p-nitrophenyl glycosides at the -1 and -2 subsites. Trp 275, which is disordered in uncomplexed structures, is stabilised by its interaction with xylobiose. Two structural subsets in family 10 are identified, which differ by the presence or absence of a short helical stretch in the eighth betaalpha-loop of the TIM barrel, the loop bearing Trp 275. This structural difference is discussed in the context of Trp 275 mobility and xylanase function.
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<!--
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Substrate specificity and subsite mobility in T. aurantiacus xylanase 10A.,Lo Leggio L, Kalogiannis S, Eckert K, Teixeira SC, Bhat MK, Andrei C, Pickersgill RW, Larsen S FEBS Lett. 2001 Dec 7;509(2):303-8. PMID:11741607<ref>PMID:11741607</ref>
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The line below this paragraph, containing "STRUCTURE_1gom", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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-->
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{{STRUCTURE_1gom| PDB=1gom | SCENE= }}
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===THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS -CRYSTAL FORM I===
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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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== References ==
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<!--
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<references/>
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The line below this paragraph, {{ABSTRACT_PUBMED_11741607}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 11741607 is the PubMed ID number.
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</StructureSection>
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-->
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{{ABSTRACT_PUBMED_11741607}}
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==About this Structure==
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[[1gom]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermoascus_aurantiacus Thermoascus aurantiacus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1tix 1tix]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GOM OCA].
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==Reference==
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<ref group="xtra">PMID:11741607</ref><ref group="xtra">PMID:11223515</ref><ref group="xtra">PMID:10409823</ref><ref group="xtra">PMID:9649746</ref><references group="xtra"/>
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[[Category: Endo-1,4-beta-xylanase]]
[[Category: Endo-1,4-beta-xylanase]]
[[Category: Thermoascus aurantiacus]]
[[Category: Thermoascus aurantiacus]]

Revision as of 11:21, 28 September 2014

THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS -CRYSTAL FORM I

1gom, resolution 1.92Å

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