1pza: Difference between revisions

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[[Image:1pza.gif|left|200px]]
{{Seed}}
[[Image:1pza.png|left|200px]]


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{{STRUCTURE_1pza|  PDB=1pza  |  SCENE=  }}  
{{STRUCTURE_1pza|  PDB=1pza  |  SCENE=  }}  


'''THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES'''
===THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES===




==Overview==
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The structures of the reduced (Cu1+) blue-copper protein pseudoazurin from Alcaligenes faecalis strain S-6 are refined at pH 7.8 and 4.4 using X-ray diffraction data to 1.8 A resolution. The final R-factors for the high and low pH structures are 0.178 and 0.177, respectively. Comparing the reduced pseudoazurin at pH 7.8 with the oxidised (Cu2+) molecule, small changes are observed in the vicinity of the copper site and on the protein surface. At pH 4.4 the copper substituent imidazole of His81 rotates away from the metal with a concurrent movement of the latter towards the plane of the remaining three ligands (S gamma-Cys78, N delta 1-His40 and S delta-Met86) thus the geometry of the copper site becomes planar trigonal.
The line below this paragraph, {{ABSTRACT_PUBMED_8034003}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 8034003 is the PubMed ID number.
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{{ABSTRACT_PUBMED_8034003}}


==About this Structure==
==About this Structure==
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[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Petratos, K.]]
[[Category: Petratos, K.]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 05:40:23 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 01:59:19 2008''

Revision as of 22:59, 27 July 2008

File:1pza.png

Template:STRUCTURE 1pza

THE CRYSTAL STRUCTURES OF REDUCED PSEUDOAZURIN FROM ALCALIGENES FAECALIS S-6 AT TWO PH VALUES

Template:ABSTRACT PUBMED 8034003

About this Structure

1PZA is a Single protein structure of sequence from Alcaligenes faecalis. Full crystallographic information is available from OCA.

Reference

The crystal structures of reduced pseudoazurin from Alcaligenes faecalis S-6 at two pH values., Vakoufari E, Wilson KS, Petratos K, FEBS Lett. 1994 Jun 27;347(2-3):203-6. PMID:8034003

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