1scr

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{{STRUCTURE_1scr| PDB=1scr | SCENE= }}
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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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===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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==Overview==
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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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(as it appears on PubMed at http://www.pubmed.gov), where 15299372 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15299372}}
==About this Structure==
==About this Structure==
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[[Category: Wilson, K S.]]
[[Category: Wilson, K S.]]
[[Category: Yariv, J.]]
[[Category: Yariv, J.]]
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Revision as of 04:15, 29 July 2008

Image:1scr.png

Template:STRUCTURE 1scr

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

Template:ABSTRACT PUBMED 15299372

About this Structure

1SCR is a Single protein structure of sequence from Canavalia ensiformis. Full crystallographic information is available from OCA.

Reference

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:15299372

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