2eig

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[[Image:2eig.png|left|200px]]
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==Lotus tetragonolobus seed lectin (Isoform)==
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<StructureSection load='2eig' size='340' side='right' caption='[[2eig]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2eig]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Lotus_tetragonolobus Lotus tetragonolobus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EIG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2EIG 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=2eig FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2eig OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2eig RCSB], [http://www.ebi.ac.uk/pdbsum/2eig 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/ei/2eig_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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Lotus tetragonolobus lectin (LTA) is a fucose-specific legume lectin. Although several studies report a diverse combination of biological activities for LTA, little is known about the mechanisms involved in l-fucosyl oligosaccharide recognition. The crystal structure of LTA at 2.0A resolution reveals a different legume lectin tetramer. Its structure consists of a homotetramer composed of two back-to-back GS4-like dimers arranged in a new mode, resulting in a novel tetramer. The LTA N-linked carbohydrate at Asn4 and the unusual LTA dimer-dimer interaction are related to its particular mode of tetramerization. In addition, we used small angle X-ray scattering to investigate the quaternary structure of LTA in solution and to compare it to the crystalline structure. Although the crystal structure of LTA has revealed a conserved metal-binding site, its l-fucose-binding site presents some punctual differences. Our investigation of the new tetramer of LTA and its fucose-binding site is essential for further studies related to cross-linking between LTA and complex divalent l-fucosyl carbohydrates.
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{{STRUCTURE_2eig| PDB=2eig | SCENE= }}
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Identification of a new quaternary association for legume lectins.,Moreno FB, de Oliveira TM, Martil DE, Vicoti MM, Bezerra GA, Abrego JR, Cavada BS, Filgueira de Azevedo W Jr J Struct Biol. 2008 Feb;161(2):133-43. Epub 2007 Oct 15. PMID:18068379<ref>PMID:18068379</ref>
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===Lotus tetragonolobus seed lectin (Isoform)===
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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_18068379}}
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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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[[2eig]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Lotus_tetragonolobus Lotus tetragonolobus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EIG OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018068379</ref><references group="xtra"/>
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[[Category: Lotus tetragonolobus]]
[[Category: Lotus tetragonolobus]]
[[Category: Abrego, J R.B.]]
[[Category: Abrego, J R.B.]]

Revision as of 02:53, 30 September 2014

Lotus tetragonolobus seed lectin (Isoform)

2eig, resolution 2.00Å

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