2eig: Difference between revisions

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{{Seed}}
[[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=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2eig]] is a 4 chain structure with sequence from [https://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 [https://proteopedia.org/fgij/fg.htm?mol=2EIG FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><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></td></tr>
{{STRUCTURE_2eig|  PDB=2eig  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2eig FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2eig OCA], [https://pdbe.org/2eig PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2eig RCSB], [https://www.ebi.ac.uk/pdbsum/2eig PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2eig ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/D0VWW1_LOTTE D0VWW1_LOTTE]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ei/2eig_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/main_output.php?pdb_ID=2eig ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


===Lotus tetragonolobus seed lectin (Isoform)===
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>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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(as it appears on PubMed at http://www.pubmed.gov), where 18068379 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_18068379}}
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
2EIG is a [[Single protein]] structure of 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].
 
==Reference==
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:[http://www.ncbi.nlm.nih.gov/pubmed/18068379 18068379]
[[Category: Lotus tetragonolobus]]
[[Category: Lotus tetragonolobus]]
[[Category: Single protein]]
[[Category: Abrego JRB]]
[[Category: Abrego, J R.B.]]
[[Category: Bezerra GA]]
[[Category: Bezerra, G A.]]
[[Category: Cavada BS]]
[[Category: Cavada, B S.]]
[[Category: Filgueira de Azevedo Jr W]]
[[Category: Jr., W Filgueira de Azevedo.]]
[[Category: Moreno FBMB]]
[[Category: Moreno, F B.M B.]]
[[Category: Vicoti MM]]
[[Category: Oliveira, T M.de.]]
[[Category: De Oliveira TM]]
[[Category: Vicoti, M M.]]
[[Category: L-fucosyl]]
[[Category: Lotus tetragonolobus]]
[[Category: N-acetyl-d-glucosamine]]
[[Category: Sugar binding protein]]
 
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