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The cbaAB genes for bo3-type cytochrome c oxidase in Bacillus stearothermophilus
K Nikaido1, S Noguchi, J Sakamoto
1Department of Biochemical Engineering and Science, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka 820-8502, Japan.
Biochimica Et Biophysica Acta
|June 19, 1998
Abstract:
Structural genes were cloned for cytochrome bo3-type cytochrome c oxidase recently isolated from a Gram-positive thermophile Bacillus stearothermophilus. Sequencing and Northern blotting analyses indicated that the two genes cbaA and cbaB composed an operon encoding for subunits I and II, respectively, and that the oxidase was SoxB-type. They are the first genes for a SoxB-type cytochrome c oxidase whose natural substrate is known.