1up6

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[[Image:1up6.png|left|200px]]
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==STRUCTURE OF THE 6-PHOSPHO-BETA GLUCOSIDASE FROM THERMOTOGA MARITIMA AT 2.55 ANGSTROM RESOLUTION IN THE TETRAGONAL FORM WITH MANGANESE, NAD+ AND GLUCOSE-6-PHOSPHATE==
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<StructureSection load='1up6' size='340' side='right' caption='[[1up6]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1up6]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermotoga_maritima Thermotoga maritima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UP6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1UP6 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=G6P:ALPHA-D-GLUCOSE-6-PHOSPHATE'>G6P</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1up4|1up4]], [[1up7|1up7]]</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-1,3(4)-beta-glucanase Endo-1,3(4)-beta-glucanase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.6 3.2.1.6] </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=1up6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1up6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1up6 RCSB], [http://www.ebi.ac.uk/pdbsum/1up6 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/up/1up6_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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Among the numerous well-characterized families of glycosidases, family 4 appears to be the anomaly, requiring both catalytic NAD+ and a divalent metal for activity. The unusual cofactor requirement prompted the proposal of a mechanism involving key NAD+-mediated redox steps as well as elimination of the glycosidic oxygen. Primary kinetic isotope effects for the 2- and 3-deutero substrate analogues, isotopic exchange with solvent, and structural analysis of a 6-phospho-beta-glucosidase, BglT (E.C. 3.2.1.6), provided evidence in support of the proposed mechanism, which has striking resemblances to that of the sugar dehydratases. Furthermore, analysis of the stereochemical outcome indicated that family 4 enzymes are retaining glycosidases.
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{{STRUCTURE_1up6| PDB=1up6 | SCENE= }}
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An unusual mechanism of glycoside hydrolysis involving redox and elimination steps by a family 4 beta-glycosidase from Thermotoga maritima.,Yip VL, Varrot A, Davies GJ, Rajan SS, Yang X, Thompson J, Anderson WF, Withers SG J Am Chem Soc. 2004 Jul 14;126(27):8354-5. PMID:15237973<ref>PMID:15237973</ref>
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===STRUCTURE OF THE 6-PHOSPHO-BETA GLUCOSIDASE FROM THERMOTOGA MARITIMA AT 2.55 ANGSTROM RESOLUTION IN THE TETRAGONAL FORM WITH MANGANESE, NAD+ AND GLUCOSE-6-PHOSPHATE===
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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_15237973}}
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==About this Structure==
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[[1up6]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermotoga_maritima Thermotoga maritima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UP6 OCA].
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==See Also==
==See Also==
*[[Beta-glucosidase|Beta-glucosidase]]
*[[Beta-glucosidase|Beta-glucosidase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015237973</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Thermotoga maritima]]
[[Category: Thermotoga maritima]]
[[Category: Davies, G J.]]
[[Category: Davies, G J.]]

Revision as of 22:50, 28 September 2014

STRUCTURE OF THE 6-PHOSPHO-BETA GLUCOSIDASE FROM THERMOTOGA MARITIMA AT 2.55 ANGSTROM RESOLUTION IN THE TETRAGONAL FORM WITH MANGANESE, NAD+ AND GLUCOSE-6-PHOSPHATE

1up6, resolution 2.55Å

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