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Information on EC - menaquinol oxidase (H+-transporting)

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IUBMB Comments
Cytochrome aa3-600, one of the principal respiratory oxidases from Bacillus subtilis, is a member of the heme-copper superfamily of oxygen reductases, and is a close homologue of the cytochrome bo3 ubiquinol oxidase from Escherichia coli, but uses menaquinol instead of ubiquinol as a substrate.The enzyme also pumps protons across the membrane bilayer, generating a proton motive force.
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The enzyme appears in viruses and cellular organisms
Reaction Schemes
Cyd oxidase, cyt aa3-600, cytochrome aa3, cytochrome aa3-600, cytochrome aa3-600 menaquinol oxidase, cytochrome aa3-600 oxidase, cytochrome aa3-type menaquinol oxidase, cytochrome bd, cytochrome bd oxidase, cytochrome bd terminal oxidase, more
2 menaquinol + O2 + n H+[side 1] = 2 menaquinone + 2 H2O + n H+[side 2]
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