1lte

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[[Image:1lte.png|left|200px]]
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==STRUCTURE OF A LEGUME LECTIN WITH AN ORDERED N-LINKED CARBOHYDRATE IN COMPLEX WITH LACTOSE==
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<StructureSection load='1lte' size='340' side='right' caption='[[1lte]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1lte]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Erythrina_corallodendron Erythrina corallodendron]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LTE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1LTE FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=XYL:D-XYLITOL'>XYL</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</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=1lte FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lte OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1lte RCSB], [http://www.ebi.ac.uk/pdbsum/1lte 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/lt/1lte_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 three-dimensional structure of the lactose complex of the Erythrina corallodendron lectin (EcorL), a dimer of N-glycosylated subunits, was determined crystallographically and refined at 2.0 angstrom resolution to an R value of 0.19. The tertiary structure of the subunit is similar to that of other legume lectins, but interference by the bulky N-linked heptasaccharide, which is exceptionally well ordered in the crystal, forces the EcorL dimer into a drastically different quaternary structure. Only the galactose moiety of the lactose ligand resides within the combining site. The galactose moiety is oriented differently from ligands in the mannose-glucose specific legume lectins and is held by hydrophobic interactions with Ala88, Tyr106, Phe131, and Ala218 and by seven hydrogen bonds, four of which are to the conserved Asp89, Asn133, and NH of Gly107. The specificity of legume lectins toward the different C-4 epimers appears to be associated with extensive variations in the outline of the variable parts of the binding sites.
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{{STRUCTURE_1lte| PDB=1lte | SCENE= }}
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Structure of a legume lectin with an ordered N-linked carbohydrate in complex with lactose.,Shaanan B, Lis H, Sharon N Science. 1991 Nov 8;254(5033):862-6. PMID:1948067<ref>PMID:1948067</ref>
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===STRUCTURE OF A LEGUME LECTIN WITH AN ORDERED N-LINKED CARBOHYDRATE IN COMPLEX WITH LACTOSE===
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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_1948067}}
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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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[[1lte]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Erythrina_corallodendron Erythrina corallodendron]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LTE OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:001948067</ref><references group="xtra"/>
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[[Category: Erythrina corallodendron]]
[[Category: Erythrina corallodendron]]
[[Category: Lis, H.]]
[[Category: Lis, H.]]

Revision as of 15:28, 28 September 2014

STRUCTURE OF A LEGUME LECTIN WITH AN ORDERED N-LINKED CARBOHYDRATE IN COMPLEX WITH LACTOSE

1lte, resolution 2.00Å

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