1vm9: Difference between revisions

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[[Image:1vm9.gif|left|200px]]
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[[Image:1vm9.png|left|200px]]


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{{STRUCTURE_1vm9|  PDB=1vm9  |  SCENE=  }}  
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'''The X-ray Structure of the cys84ala cys85ala double mutant of the [2Fe-2S] Ferredoxin subunit of Toluene-4-Monooxygenase from Pseudomonas Mendocina KR1'''
===The X-ray Structure of the cys84ala cys85ala double mutant of the [2Fe-2S] Ferredoxin subunit of Toluene-4-Monooxygenase from Pseudomonas Mendocina KR1===




==Overview==
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The structure of the Rieske-type ferredoxin (T4moC) from toluene 4-monooxygenase was determined by X-ray crystallography in the [2Fe-2S](2+) state at a resolution of 1.48 A using single-wavelength anomalous dispersion phasing with the [2Fe-2S] center. The structure consists of ten beta-strands arranged into the three antiparallel beta-sheet topology observed in all Rieske proteins. Trp69 of T4moC is adjacent to the [2Fe-2S] centre, which displaces a loop containing the conserved Pro81 by approximately 8 A away from the [2Fe-2S] cluster compared with the Pro loop in the closest structural and functional homolog, the Rieske-type ferredoxin BphF from biphenyl dioxygenase. In addition, T4moC contains five hydrogen bonds to the [2Fe-2S] cluster compared with three hydrogen bonds in BphF. Moreover, the electrostatic surface of T4moC is distinct from that of BphF. These structural differences are identified as possible contributors to the evolutionary specialization of soluble Rieske-type ferredoxins between the diiron monooxygenases and cis-dihydrodiol-forming dioxygenases.
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{{ABSTRACT_PUBMED_16627939}}


==About this Structure==
==About this Structure==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Toluene-4-monooxygenase subunit]]
[[Category: Toluene-4-monooxygenase subunit]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 12:42:47 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 19:47:48 2008''

Revision as of 16:47, 28 July 2008

File:1vm9.png

Template:STRUCTURE 1vm9

The X-ray Structure of the cys84ala cys85ala double mutant of the [2Fe-2S] Ferredoxin subunit of Toluene-4-Monooxygenase from Pseudomonas Mendocina KR1

Template:ABSTRACT PUBMED 16627939

About this Structure

1VM9 is a Single protein structure of sequence from Pseudomonas mendocina. Full crystallographic information is available from OCA.

Reference

Structure of T4moC, the Rieske-type ferredoxin component of toluene 4-monooxygenase., Moe LA, Bingman CA, Wesenberg GE, Phillips GN Jr, Fox BG, Acta Crystallogr D Biol Crystallogr. 2006 May;62(Pt 5):476-82. Epub 2006, Apr 19. PMID:16627939

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