1aac

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[[Image:1aac.gif|left|200px]]
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{{Structure
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|PDB= 1aac |SIZE=350|CAPTION= <scene name='initialview01'>1aac</scene>, resolution 1.31&Aring;
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The line below this paragraph, containing "STRUCTURE_1aac", creates the "Structure Box" on the page.
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1aac FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1aac OCA], [http://www.ebi.ac.uk/pdbsum/1aac PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1aac RCSB]</span>
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'''AMICYANIN OXIDIZED, 1.31 ANGSTROMS'''
'''AMICYANIN OXIDIZED, 1.31 ANGSTROMS'''
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[[Category: Durley, R C.E.]]
[[Category: Durley, R C.E.]]
[[Category: Mathews, F S.]]
[[Category: Mathews, F S.]]
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[[Category: electron transport]]
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[[Category: Electron transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:02:41 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 18:36:35 2008''
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Revision as of 07:02, 2 May 2008

Image:1aac.gif

Template:STRUCTURE 1aac

AMICYANIN OXIDIZED, 1.31 ANGSTROMS


Overview

High-resolution X-ray diffraction data to d(min) = 1.31 A were collected on a Xuong-Hamlin area detector from crystals of the blue-copper protein amicyanin, isolated from P. denitrificans. With coordinates from the earlier 2.0 A structure determination as a starting point, simulated annealing and restrained positional and temperature factor refinements using the program X-PLOR resulted in a final R factor of 15.5%, based on 21 131 unique reflections in the range 8.0-1.3 A. Comparison of the 1.31 A structure with that at 2.0 A shows the same basic features. However, the high-resolution electron-density maps clearly reveal additional solvent molecules and significant discrete disorder in protein side chains and within the solvent structure. As a consequence of modelling side-chain disorder, several new hydrogen-bonding interactions were identified.

About this Structure

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

Reference

X-ray structure of the cupredoxin amicyanin, from Paracoccus denitrificans, refined at 1.31 A resolution., Cunane LM, Chen ZW, Durley RC, Mathews FS, Acta Crystallogr D Biol Crystallogr. 1996 Jul 1;52(Pt 4):676-86. PMID:15299631 Page seeded by OCA on Fri May 2 10:02:41 2008

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