2inu

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[[Image:2inu.png|left|200px]]
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==Crystal structure of insulin fructotransferase in the absence of substrate==
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<StructureSection load='2inu' size='340' side='right' caption='[[2inu]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2inu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_sp._snu-7 Bacillus sp. snu-7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2INU OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2INU FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2PO:PHOSPHONATE'>2PO</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">[[2inv|2inv]]</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/Inulin_fructotransferase_(DFA-III-forming) Inulin fructotransferase (DFA-III-forming)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.2.18 4.2.2.18] </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=2inu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2inu OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2inu RCSB], [http://www.ebi.ac.uk/pdbsum/2inu 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/in/2inu_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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Inulin fructotransferase (IFTase), a member of glycoside hydrolase family 91, catalyzes depolymerization of beta-2,1-fructans inulin by successively removing the terminal difructosaccharide units as cyclic anhydrides via intramolecular fructosyl transfer. The crystal structures of IFTase and its substrate-bound complex reveal that IFTase is a trimeric enzyme, and each monomer folds into a right-handed parallel beta-helix. Despite variation in the number and conformation of its beta-strands, the IFTase beta-helix has a structure that is largely reminiscent of other beta-helix structures but is unprecedented in that trimerization is a prerequisite for catalytic activity, and the active site is located at the monomer-monomer interface. Results from crystallographic studies and site-directed mutagenesis provide a structural basis for the exolytic-type activity of IFTase and a functional resemblance to inverting-type glycosyltransferases.
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{{STRUCTURE_2inu| PDB=2inu | SCENE= }}
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Structural and functional insights into intramolecular fructosyl transfer by inulin fructotransferase.,Jung WS, Hong CK, Lee S, Kim CS, Kim SJ, Kim SI, Rhee S J Biol Chem. 2007 Mar 16;282(11):8414-23. Epub 2006 Dec 27. PMID:17192265<ref>PMID:17192265</ref>
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===Crystal structure of insulin fructotransferase in the absence of substrate===
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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_17192265}}
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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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[[2inu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_sp._snu-7 Bacillus sp. snu-7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2INU OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017192265</ref><references group="xtra"/>
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[[Category: Bacillus sp. snu-7]]
[[Category: Bacillus sp. snu-7]]
[[Category: Jung, W S.]]
[[Category: Jung, W S.]]

Revision as of 07:45, 30 September 2014

Crystal structure of insulin fructotransferase in the absence of substrate

2inu, resolution 1.80Å

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