1scr

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[[Image:1scr.gif|left|200px]]
 
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==HIGH-RESOLUTION STRUCTURES OF SINGLE-METAL-SUBSTITUTED CONCANAVALIN A: THE CO,CA-PROTEIN AT 1.6 ANGSTROMS AND THE NI,CA-PROTEIN AT 2.0 ANGSTROMS==
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The line below this paragraph, containing "STRUCTURE_1scr", creates the "Structure Box" on the page.
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<StructureSection load='1scr' size='340' side='right'caption='[[1scr]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1scr]] is a 1 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=1SCR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SCR FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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&#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=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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{{STRUCTURE_1scr| PDB=1scr | SCENE= }}
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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=1scr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1scr OCA], [https://pdbe.org/1scr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1scr RCSB], [https://www.ebi.ac.uk/pdbsum/1scr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1scr ProSAT]</span></td></tr>
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</table>
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== Function ==
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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/sc/1scr_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=1scr ConSurf].
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<div style="clear:both"></div>
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'''HIGH-RESOLUTION STRUCTURES OF SINGLE-METAL-SUBSTITUTED CONCANAVALIN A: THE CO,CA-PROTEIN AT 1.6 ANGSTROMS AND THE NI,CA-PROTEIN AT 2.0 ANGSTROMS'''
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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 molecular structures of cobalt- and nickel-substituted concanavalin A have been refined at 1.6 and 2.0 A resolution, respectively. Both metal derivatives crystallize in space group I222 with approximate cell dimensions a = 89, b = 87 and c = 63 A and one monomer in the asymmetric unit. The final R factor for Co-substituted concanavalin A is 17.8% for 29 211 reflections with F &gt; 1.0sigma(F) between 8.0 and 1.6 A. For Ni-substituted concanavalin A the final R factor is 15.9% for 16 128 reflections with F &gt; 1.0sigma(F) between 8.0 and 2.0 A resolution. Both structures contain a transition-metal binding site and a calcium-binding site but, unlike Cd-substituted concanavalin A, do not have a third metal-binding site. The Co-substituted concanavalin A structure diffracts to the highest resolution of any concanavalin A structure reported to date. A comparison of the structures of Ni-, Co-, Cd-substituted and native concanavalin A gives an indication of coordinate errors, which is a useful baseline for comparisons with saccharide complexes of concanavalin A described in other work. We also give a detailed account of multiple conformations which were found for five side-chain residues.
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==About this Structure==
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1SCR 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=1SCR OCA].
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==Reference==
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High-resolution structures of single-metal-substituted concanavalin A: the Co,Ca-protein at 1.6 A and the Ni,Ca-protein at 2.0 A., Emmerich C, Helliwell JR, Redshaw M, Naismith JH, Harrop SJ, Raftery J, Kalb AJ, Yariv J, Dauter Z, Wilson KS, Acta Crystallogr D Biol Crystallogr. 1994 Sep 1;50(Pt 5):749-56. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15299372 15299372]
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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: Dauter, Z.]]
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[[Category: Dauter Z]]
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[[Category: Emmerich, C.]]
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[[Category: Emmerich C]]
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[[Category: Harrop, S J.]]
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[[Category: Harrop SJ]]
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[[Category: Helliwell, J R.]]
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[[Category: Helliwell JR]]
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[[Category: Kalb, A J.]]
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[[Category: Kalb AJ]]
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[[Category: Naismith, J H.]]
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[[Category: Naismith JH]]
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[[Category: Raftery, J.]]
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[[Category: Raftery J]]
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[[Category: Redshaw, M.]]
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[[Category: Redshaw M]]
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[[Category: Wilson, K S.]]
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[[Category: Wilson KS]]
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[[Category: Yariv, J.]]
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[[Category: Yariv J]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:33:11 2008''
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Current revision

HIGH-RESOLUTION STRUCTURES OF SINGLE-METAL-SUBSTITUTED CONCANAVALIN A: THE CO,CA-PROTEIN AT 1.6 ANGSTROMS AND THE NI,CA-PROTEIN AT 2.0 ANGSTROMS

PDB ID 1scr

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