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Original Articles

Expression, Purification, Physicochemical Characterization and Structural Analysis of Cytochrome c554 from Vibrio parahaemolyticus Strain RIMD2210633

, , , , , , & show all
Pages 1113-1115 | Received 21 Dec 2009, Accepted 07 Feb 2010, Published online: 22 May 2014
 

Abstract

The function of cytochrome c 554 of Vibrio parahaemolyticus has not yet been determined. We have determined the physicochemical properties and crystal structure of cytochrome c 554 at 1.8 Å in order to help elucidate its function. The physicochemical properties and the tertiary structure of cytochrome c 554 resemble those of dimeric cytochrome c 552 from Pseudomonas nautica, but the Vibrio genus contains no gene for nitrite reductase, cytochrome cd 1, in its genome DNA. These results raise the possibility that both cytochromes denote an electron to an electron carrier and accept an electron from same electron carrier.

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