2ac1

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[[Image:2ac1.png|left|200px]]
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==Crystal structure of a cell-wall invertase from Arabidopsis thaliana==
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<StructureSection load='2ac1' size='340' side='right' caption='[[2ac1]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2ac1]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AC1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2AC1 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">At3g13790 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 Arabidopsis thaliana])</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/Beta-fructofuranosidase Beta-fructofuranosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.26 3.2.1.26] </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=2ac1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ac1 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ac1 RCSB], [http://www.ebi.ac.uk/pdbsum/2ac1 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/ac/2ac1_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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Cell-wall invertases play crucial roles during plant development. They hydrolyse sucrose into its fructose and glucose subunits by cleavage of the alpha1-beta2 glycosidic bond. Here, the structure of the Arabidopsis thaliana cell-wall invertase 1 (AtcwINV1; gene accession code At3g13790) is described at a resolution of 2.15 A. The structure comprises an N-terminal fivefold beta-propeller domain followed by a C-terminal domain formed by two beta-sheets. The active site is positioned in the fivefold beta-propeller domain, containing the nucleophile Asp23 and the acid/base catalyst Glu203 of the double-displacement enzymatic reaction. The function of the C-terminal domain remains unknown. Unlike in other GH 32 family enzyme structures known to date, in AtcwINV1 the cleft formed between both domains is blocked by Asn299-linked carbohydrates. A preliminary site-directed mutagenesis experiment (Asn299Asp) removed the glycosyl chain but did not alter the activity profile of the enzyme.
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{{STRUCTURE_2ac1| PDB=2ac1 | SCENE= }}
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X-ray diffraction structure of a cell-wall invertase from Arabidopsis thaliana.,Verhaest M, Lammens W, Le Roy K, De Coninck B, De Ranter CJ, Van Laere A, Van den Ende W, Rabijns A Acta Crystallogr D Biol Crystallogr. 2006 Dec;62(Pt 12):1555-63. Epub 2006, Nov 23. PMID:17139091<ref>PMID:17139091</ref>
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===Crystal structure of a cell-wall invertase from Arabidopsis thaliana===
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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_17139091}}
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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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[[2ac1]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AC1 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017139091</ref><references group="xtra"/>
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[[Category: Arabidopsis thaliana]]
[[Category: Arabidopsis thaliana]]
[[Category: Beta-fructofuranosidase]]
[[Category: Beta-fructofuranosidase]]

Revision as of 23:51, 29 September 2014

Crystal structure of a cell-wall invertase from Arabidopsis thaliana

2ac1, resolution 2.15Å

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