1log

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[[Image:1log.jpg|left|200px]]
 
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{{Structure
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==X-RAY STRUCTURE OF A (ALPHA-MAN(1-3)BETA-MAN(1-4)GLCNAC)-LECTIN COMPLEX AT 2.1 ANGSTROMS RESOLUTION==
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|PDB= 1log |SIZE=350|CAPTION= <scene name='initialview01'>1log</scene>, resolution 2.1&Aring;
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<StructureSection load='1log' size='340' side='right'caption='[[1log]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>
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<table><tr><td colspan='2'>[[1log]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Lathyrus_ochrus Lathyrus ochrus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LOG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LOG FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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|DOMAIN=
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1log FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1log OCA], [https://pdbe.org/1log PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1log RCSB], [https://www.ebi.ac.uk/pdbsum/1log PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1log ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1log FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1log OCA], [http://www.ebi.ac.uk/pdbsum/1log PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1log RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/LECB_LATOC LECB_LATOC]
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== Evolutionary Conservation ==
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'''X-RAY STRUCTURE OF A (ALPHA-MAN(1-3)BETA-MAN(1-4)GLCNAC)-LECTIN COMPLEX AT 2.1 ANGSTROMS RESOLUTION'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/lo/1log_consurf.spt"</scriptWhenChecked>
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We describe herein the high resolution refined x-ray structure of a trisaccharide, which is a part of the N-acetyllactosamine type glycan found in the majority of the N-glycosyl-proteins, complexed to the isolectin I. According to the potentials used by Imberty et al. (Imburty, A., Gerber, S., Tran, V., and Perez, S. (1990) Glycoconjugate J. 7, 27-54) the trisaccharide is in a low-energy state. Only one mannose moiety establishes direct hydrogen bonds with the lectin, as it is the case for monosaccharide-lectin complexes. The comparison of our trisaccharide with the one determined in solution by Warin et al. (Warin, V., Baert, F., Fouret, R., Strecker, G., Fournet, B., and Montreuil, J. (1979) Carbohydr. Res. 76, 11-22) shows that both adopt roughly the same conformation. The differences in these two sugar structures allow us to assign the role of water molecules present in the vicinity of our trisaccharide for the stabilization of this sugar-lectin complex.
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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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==About this Structure==
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</jmolCheckbox>
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1LOG is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Lathyrus_ochrus Lathyrus ochrus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LOG OCA].
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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/main_output.php?pdb_ID=1log ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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X-ray structure of a (alpha-Man(1-3)beta-Man(1-4)GlcNAc)-lectin complex at 2.1-A resolution. The role of water in sugar-lectin interaction., Bourne Y, Rouge P, Cambillau C, J Biol Chem. 1990 Oct 25;265(30):18161-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/2211692 2211692]
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Lathyrus ochrus]]
[[Category: Lathyrus ochrus]]
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[[Category: Protein complex]]
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[[Category: Bourne Y]]
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[[Category: Bourne, Y.]]
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[[Category: Cambillau C]]
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[[Category: Cambillau, C.]]
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[[Category: lectin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 22:05:22 2008''
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Current revision

X-RAY STRUCTURE OF A (ALPHA-MAN(1-3)BETA-MAN(1-4)GLCNAC)-LECTIN COMPLEX AT 2.1 ANGSTROMS RESOLUTION

PDB ID 1log

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