Cloning, characterization, and expression of the nitric oxide-generating nitrite reductase and of the blue copper protein genes of Achromobacter cycloclastes

Biochemical and Biophysical Research Communications
J Y ChenJ Legall

Abstract

The nitrite reductase (NIR) and blue copper protein (BCP) genes have been cloned from Achromobacter cycloclastes and characterized. NIR gene encodes a protein of 378 amino acid residues including a putative signal peptide of 37 residues. BCP gene encodes a protein of 148 residues with a 24-residue signal peptide. The DNA-derived amino acid sequence of NIR is in complete agreement with that from Edman degradation and the DNA coding sequence of BCP is also consistent with its partial N-terminal amino acid sequence. Both genes contain their own FNR box in the 5' upstream region and a TA-rich region that could be the transcription start site. These two genes are separated by at least 10 kb. Based on these observations it is very likely that these two genes, although functionally related, are regulated independently. Both proteins could be expressed in E. coli, and both of the expressed proteins could be recognized by their respective antisera. The expressed NIR demonstrates full enzymatic activity. The similarity of both proteins to the counterparts from Alcaligenes faecalis S-6 is discussed.

Citations

Feb 8, 2006·Journal of Basic Microbiology·Margaret B CauseyJoe R Wolf
Apr 30, 2016·The Journal of Biological Chemistry·Patrick StolleThomas Brüser
Jul 2, 1998·Biochemical and Biophysical Research Communications·I H VandenbergheJ J Van Beeumen
Dec 31, 1997·Microbiology and Molecular Biology Reviews : MMBR·W G Zumft

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