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  • Title: Novel cyclohexane monooxygenase from Acidovorax sp. CHX100.
    Author: Salamanca D, Karande R, Schmid A, Dobslaw D.
    Journal: Appl Microbiol Biotechnol; 2015 Aug; 99(16):6889-97. PubMed ID: 25935342.
    Abstract:
    Acidovorax sp. CHX100 has a remarkable ability for growth on short cycloalkanes (C5-C8) as a sole source of carbon and energy under aerobic conditions via an uncharacterized mechanism. Transposon mutagenesis of Acidovorax sp. CHX100 revealed a novel cytochrome P450 monooxygenase (CYP450chx) which catalyzed the transformation of cyclohexane to cyclohexanol. Primer walking methods categorized CYP450chx as cytochrome P450 class I taking into account its operon structure: monooxygenase, FAD oxidoreductase, and ferredoxin. CYP450chx was successfully cloned and expressed in Escherichia coli JM109. The activity of CYP450chx was demonstrated by means of the indole co-oxidation. Biotransformation capability of CYP450chx was confirmed through the catalysis of cycloalkanes (C5-C8) to their respective cyclic alcohols.
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