1brt: Difference between revisions

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[[Image:1brt.jpg|left|200px]]
{{Seed}}
[[Image:1brt.png|left|200px]]


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{{STRUCTURE_1brt|  PDB=1brt  |  SCENE=  }}  
{{STRUCTURE_1brt|  PDB=1brt  |  SCENE=  }}  


'''BROMOPEROXIDASE A2 MUTANT M99T'''
===BROMOPEROXIDASE A2 MUTANT M99T===




==Overview==
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The structures of cofactor-free haloperoxidases from Streptomyces aureofaciens, Streptomyces lividans, and Pseudomonas fluorescens have been determined at resolutions between 1.9 A and 1.5 A. The structures of two enzymes complexed with benzoate or propionate identify the binding site for the organic acids which are required for the haloperoxidase activity. Based on these complexes and on the structure of an inactive variant, a reaction mechanism is proposed for the halogenation reaction with peroxoacid and hypohalous acid as reaction intermediates. Comparison of the structures suggests that a specific halide binding site is absent in the enzymes but that hydrophobic organic compounds may fit into the active site pocket for halogenation at preferential sites.
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{{ABSTRACT_PUBMED_9642069}}


==About this Structure==
==About this Structure==
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[[Category: Oxidoreductase]]
[[Category: Oxidoreductase]]
[[Category: Peroxidase]]
[[Category: Peroxidase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 11:52:45 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 19:37:23 2008''

Revision as of 16:37, 30 June 2008

File:1brt.png

Template:STRUCTURE 1brt

BROMOPEROXIDASE A2 MUTANT M99T

Template:ABSTRACT PUBMED 9642069

About this Structure

1BRT is a Single protein structure of sequence from Streptomyces aureofaciens. Full crystallographic information is available from OCA.

Reference

Structural investigation of the cofactor-free chloroperoxidases., Hofmann B, Tolzer S, Pelletier I, Altenbuchner J, van Pee KH, Hecht HJ, J Mol Biol. 1998 Jun 19;279(4):889-900. PMID:9642069

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