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Cytochrome P450 (P450) 2A6 is able to catalyze indole hydroxylation to form the blue dye indigo. The wild-type P450 2A6 enzyme was randomly mutated throughout the whole open reading frame and screened using 4-chloroindole hydroxylation, a substituted indole selected from 30 indole compounds for enhanced color development. Mutants with up to 5-fold increases of catalytic efficiency (k cat /K...
To elucidate the effects of codon optimization and chaperone coexpression on the heterologous expression of mammalian cytochrome P450s (P450) in Escherichia coli, the expression of P450s 2B1, 2S1, 2U1, 2W1, and 27C1 were investigated. With codon optimization for N-terminus or the entire gene, the expression levels of P450 27C1, 2U1 and 2W1 increased 22-fold, 3.6-fold and 2.1-fold, respectively, while...
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