Article
Critical role of the residue size at position 87 in H2O2- dependent substrate hydroxylation activity and H2O2 inactivation of cytochrome P450BM-3.
Biochemical and biophysical research communications - 9 Feb 2001
Li Q S, Ogawa J, Shimizu S
Abstract excerpt
Replacement of phenylalanine 87 with alanine or glycine (mutant F87A or F87G) greatly increased the H2O2-supported substrate hydroxylation activity of cytochrome P450BM-3, whose original H2O2-supported activity is hardly detectable. On the other hand, replacement of phenylalanine 87 with valine (mutant F87V) did not. In the oxidation of p-nitrophenoxydodecanoic acid (12-pNCA), the turnover numbers of the mutant...
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