Article
A single active site mutation inverts stereoselectivity of 16-hydroxylation of testosterone catalyzed by engineered cytochrome P450 BM3.
Chembiochem : a European journal of chemical biology - 5 Mar 2012
Venkataraman Harini, Beer Stephanie B A de, Bergen Laura A H van, Essen Nick van, Geerke Daan P, Vermeulen Nico P E, Commandeur Jan N M
Abstract excerpt
Inversion of stereoselectivity: screening of a minimal mutant library revealed a cytochrome P450 BM3 variant M01 A82W S72I capable of producing 16 α-OH-testosterone. Remarkably, a single active site mutation S72I in M01 A82W inverted the stereoselectivity of hydroxylation from 16 β to 16 α. Introduction of S72I mutation in another 16 β-OH-selective variant M11 V87I, also resulted in similar inversion of...
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