1zgr

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[[Image:1zgr.png|left|200px]]
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==Crystal structure of the Parkia platycephala seed lectin==
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<StructureSection load='1zgr' size='340' side='right' caption='[[1zgr]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1zgr]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Parkia_platycephala Parkia platycephala]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZGR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ZGR FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1zgs|1zgs]]</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=1zgr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zgr OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1zgr RCSB], [http://www.ebi.ac.uk/pdbsum/1zgr 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/zg/1zgr_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 structures of the apo and mannose-bound Parkia platycephala seed lectin represent the first structure of a Mimosoideae lectin and a novel circular arrangement of beta-prism domains, and highlight the adaptability of the beta-prism fold as a building block in the evolution of plant lectins. The P.platycephala lectin is a dimer both in solution and in the crystals. Mannose binding to each of the three homologous carbohydrate-recognition domains of the lectin occurs through different modes, and restrains the flexibility of surface-exposed loops and residues involved in carbohydrate recognition. The planar array of carbohydrate-binding sites on the rim of the toroid-shaped structure of the P.platycephala lectin dimer immediately suggests a mechanism to promote multivalent interactions leading to cross-linking of carbohydrate ligands as part of the host strategy against phytopredators and pathogens. The cyclic structure of the P.platycephala lectin points to the convergent evolution of a structural principle for the construction of lectins involved in host defense or in attacking other organisms.
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{{STRUCTURE_1zgr| PDB=1zgr | SCENE= }}
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The first crystal structure of a Mimosoideae lectin reveals a novel quaternary arrangement of a widespread domain.,Gallego del Sol F, Nagano C, Cavada BS, Calvete JJ J Mol Biol. 2005 Oct 28;353(3):574-83. Epub 2005 Sep 9. PMID:16185708<ref>PMID:16185708</ref>
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===Crystal structure of the Parkia platycephala seed lectin===
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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_16185708}}
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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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[[1zgr]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Parkia_platycephala Parkia platycephala]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZGR OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016185708</ref><references group="xtra"/>
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[[Category: Parkia platycephala]]
[[Category: Parkia platycephala]]
[[Category: Calvete, J J.]]
[[Category: Calvete, J J.]]

Revision as of 21:23, 29 September 2014

Crystal structure of the Parkia platycephala seed lectin

1zgr, resolution 2.50Å

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