1hqw

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[[Image:1hqw.gif|left|200px]]
 
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{{Structure
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==CRYSTAL STRUCTURE OF THE COMPLEX OF CONCANAVALIN A WITH A TRIPEPTIDE YPY==
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|PDB= 1hqw |SIZE=350|CAPTION= <scene name='initialview01'>1hqw</scene>, resolution 2.40&Aring;
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<StructureSection load='1hqw' size='340' side='right'caption='[[1hqw]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=PTD:PENTANEDIAL'>PTD</scene>
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<table><tr><td colspan='2'>[[1hqw]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Canavalia_ensiformis Canavalia ensiformis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HQW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HQW 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]] 2.4&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=PTD:PENTANEDIAL'>PTD</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=1hqw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hqw OCA], [https://pdbe.org/1hqw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hqw RCSB], [https://www.ebi.ac.uk/pdbsum/1hqw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hqw 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=1hqw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hqw OCA], [http://www.ebi.ac.uk/pdbsum/1hqw PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1hqw RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/CONA_CANEN CONA_CANEN] D-mannose specific lectin.
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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/hq/1hqw_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/main_output.php?pdb_ID=1hqw ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF THE COMPLEX OF CONCANAVALIN A WITH A TRIPEPTIDE YPY'''
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==See Also==
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*[[Concanavalin 3D structures|Concanavalin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The X-ray structure analysis of a cross-linked crystal of concanavalin A soaked with the tripeptide molecule as the probe molecule showed electron density corresponding to full occupation in the binding pocket. The site lies on the surface of concanavalin A and is surrounded by three symmetry-related molecules. The crystal structure of the tripeptide complex was refined at 2.4-A resolution to an R-factor of 17.5%, (Rfree factor of 23.7%), with an RMS deviation in bond distances of 0.01 A. The model includes all 237 residue of concanavalin A, 1 manganese ion, 1 calcium ion, 161 water molecules, 1 glutaraldehyde molecule, and 1 tripeptide molecule. This X-ray structure analysis also provides an approach to mapping the binding surface of crystalline protein with a probe molecule that is dissolved in a mixture of organic solvent with water or in neat organic solvent but is hardly dissolved in aqueous solution.
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==About this Structure==
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1HQW is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Canavalia_ensiformis Canavalia ensiformis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HQW OCA].
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==Reference==
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Crystal structure of the complex of concanavalin A and tripeptide., Zhang Z, Qian M, Huang Q, Jia Y, Tang Y, Wang K, Cui D, Li M, J Protein Chem. 2001 Jan;20(1):59-65. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11330349 11330349]
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[[Category: Canavalia ensiformis]]
[[Category: Canavalia ensiformis]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Cui, D.]]
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[[Category: Cui D]]
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[[Category: Huang, Q.]]
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[[Category: Huang Q]]
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[[Category: Jia, Y.]]
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[[Category: Jia Y]]
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[[Category: Li, M.]]
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[[Category: Li M]]
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[[Category: Qian, M.]]
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[[Category: Qian M]]
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[[Category: Tang, Y.]]
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[[Category: Tang Y]]
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[[Category: Wang, K.]]
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[[Category: Wang K]]
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[[Category: Zhang, Z.]]
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[[Category: Zhang Z]]
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[[Category: beta sheet]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:09:15 2008''
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Current revision

CRYSTAL STRUCTURE OF THE COMPLEX OF CONCANAVALIN A WITH A TRIPEPTIDE YPY

PDB ID 1hqw

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