1ee6

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[[Image:1ee6.png|left|200px]]
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==CRYSTAL STRUCTURE OF PECTATE LYASE FROM BACILLUS SP. STRAIN KSM-P15.==
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<StructureSection load='1ee6' size='340' side='right' caption='[[1ee6]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ee6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_sp. Bacillus sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EE6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1EE6 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pectate_lyase Pectate lyase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.2.2 4.2.2.2] </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=1ee6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ee6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ee6 RCSB], [http://www.ebi.ac.uk/pdbsum/1ee6 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/ee/1ee6_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 crystal structure of a highly alkaline low molecular weight pectate lyase (Pel-15) was determined at 1.5 A resolution by the multiple isomorphous replacement (MIR) method. This is the first pectate lyase structure from polysaccharide lyase family 3. The overall structure is a simple eight-turn right-handed parallel beta-helix domain with one long loop protruding from one side of the beta-helix. The low molecular weight of Pel-15 derives from the lack of N- and C-terminal extensions that are found in many beta-helix proteins. Although the structure has one calcium ion at pH 6.7, raising the pH to 9.5 results in the binding of an additional calcium ion. The common calcium ion found in both the pH 6.5 and 9.5 structures seems to stabilize both the beta-helix structure and the long protruding loop. The additional calcium ion found in the pH 9.5 structure alone may neutralize the acidic substrate. The region around the additional calcium ion is thought to bind to the substrate, as this region is rich in charged amino-acid residues which are required in catalysis.
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{{STRUCTURE_1ee6| PDB=1ee6 | SCENE= }}
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The first structure of pectate lyase belonging to polysaccharide lyase family 3.,Akita M, Suzuki A, Kobayashi T, Ito S, Yamane T Acta Crystallogr D Biol Crystallogr. 2001 Dec;57(Pt 12):1786-92. Epub 2001, Nov 21. PMID:11717490<ref>PMID:11717490</ref>
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===CRYSTAL STRUCTURE OF PECTATE LYASE FROM BACILLUS SP. STRAIN KSM-P15.===
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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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==About this Structure==
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<references/>
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[[1ee6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_sp. Bacillus sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EE6 OCA].
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__TOC__
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:011717490</ref><references group="xtra"/>
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[[Category: Bacillus sp.]]
[[Category: Bacillus sp.]]
[[Category: Pectate lyase]]
[[Category: Pectate lyase]]

Revision as of 11:30, 24 September 2014

CRYSTAL STRUCTURE OF PECTATE LYASE FROM BACILLUS SP. STRAIN KSM-P15.

1ee6, resolution 2.30Å

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