1wbf

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[[Image:1wbf.png|left|200px]]
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==WINGED BEAN LECTIN, SACCHARIDE FREE FORM==
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<StructureSection load='1wbf' size='340' side='right' caption='[[1wbf]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1wbf]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Psophocarpus_tetragonolobus Psophocarpus tetragonolobus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WBF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1WBF 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>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene><br>
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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=1wbf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wbf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1wbf RCSB], [http://www.ebi.ac.uk/pdbsum/1wbf 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/wb/1wbf_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 the saccharide-free form of the basic form of winged-bean agglutinin (WBAI) has been solved by the molecular-replacement method and refined at 2.3 A resolution. The final R factor is 19.7% for all data in the resolution range 8.0-2.3 A. The asymmetric unit contains two half-dimers, each located on a crystallographic twofold axis. The structure of the saccharide-free form is compared with that of the complex of WBAI with methyl-alpha-D-galactoside. The complex is composed of two dimers in the asymmetric unit. The intersubunit interactions in the dimer are nearly identical in the two structures. The binding site of the saccharide-free structure contains three ordered water molecules at positions similar to those of the hydroxyl groups of the carbohydrate which are hydrogen bonded to the protein. Superposition of the saccharide-binding sites of the two structures shows that the major changes involve expulsion of these ordered water molecules and a shift of about 0.6 A of the main-chain atoms of the variable loop.
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{{STRUCTURE_1wbf| PDB=1wbf | SCENE= }}
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Structure of basic winged-bean lectin and a comparison with its saccharide-bound form.,Manoj N, Srinivas VR, Suguna K Acta Crystallogr D Biol Crystallogr. 1999 Apr;55(Pt 4):794-800. PMID:10089310<ref>PMID:10089310</ref>
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===WINGED BEAN LECTIN, SACCHARIDE FREE FORM===
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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_10089310}}
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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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[[1wbf]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Psophocarpus_tetragonolobus Psophocarpus tetragonolobus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WBF OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:010089310</ref><references group="xtra"/>
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[[Category: Psophocarpus tetragonolobus]]
[[Category: Psophocarpus tetragonolobus]]
[[Category: Manoj, N.]]
[[Category: Manoj, N.]]

Revision as of 21:17, 29 September 2014

WINGED BEAN LECTIN, SACCHARIDE FREE FORM

1wbf, resolution 2.30Å

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