1id2

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{{STRUCTURE_1id2| PDB=1id2 | SCENE= }}
{{STRUCTURE_1id2| PDB=1id2 | SCENE= }}
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'''CRYSTAL STRUCTURE OF AMICYANIN FROM PARACOCCUS VERSUTUS (THIOBACILLUS VERSUTUS)'''
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===CRYSTAL STRUCTURE OF AMICYANIN FROM PARACOCCUS VERSUTUS (THIOBACILLUS VERSUTUS)===
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==Overview==
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The crystal structure of the type I blue copper protein amicyanin from Thiobacillus versutus has been determined by Patterson search techniques on the basis of the molecular model of amicyanin from Paracoccus denitrificans, and refined by energy-restrained least-squares methods. Amicyanin crystallizes in the trigonal space group P3(2) with unit cell dimensions of a = b = 87.40 A, c = 38.20 A. The asymmetric unit is composed of three independent molecules centred on the crystallographic 3(2) axes. The final R-value is 17.4% for 15,984 reflections to a resolution of 2.15 A. The polypeptide fold in amicyanin is based on the beta-sandwich structure commonly found in blue copper proteins. Nine beta strands are folded into two twisted beta-sheets that pack together with a filling of non-polar residues between them. The geometry of the copper site is similar to that of plastocyanin. There are four ligands, arranged approximately as a distorted tetrahedron, to the copper atom: His54, Cys93, His96 and Met99. One of the copper ligands, His96, is exposed to the surface and lies in the centre of a cluster of seven hydrophobic residues.
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{{ABSTRACT_PUBMED_8120896}}
==About this Structure==
==About this Structure==
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[[Category: Electron transfer protein]]
[[Category: Electron transfer protein]]
[[Category: Type-1 blue copper protein]]
[[Category: Type-1 blue copper protein]]
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Revision as of 07:47, 1 July 2008

Image:1id2.png

Template:STRUCTURE 1id2

CRYSTAL STRUCTURE OF AMICYANIN FROM PARACOCCUS VERSUTUS (THIOBACILLUS VERSUTUS)

Template:ABSTRACT PUBMED 8120896

About this Structure

1ID2 is a Single protein structure of sequence from Paracoccus versutus. Full crystallographic information is available from OCA.

Reference

Crystal structure analysis and refinement at 2.15 A resolution of amicyanin, a type I blue copper protein, from Thiobacillus versutus., Romero A, Nar H, Huber R, Messerschmidt A, Kalverda AP, Canters GW, Durley R, Mathews FS, J Mol Biol. 1994 Mar 4;236(4):1196-211. PMID:8120896

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