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Rational Design of P450 aMOx for Improving Anti-Markovnikov Selectivity Based on the "Butterfly" Model.


ABSTRACT: Aromatic aldehydes are important industrial raw materials mainly synthesized by anti-Markovnikov (AM) oxidation of corresponding aromatic olefins. The AM product selectivity remains a big challenge. P450 aMOx is the first reported enzyme that could catalyze AM oxidation of aromatic olefins. Here, we reported a rational design strategy based on the "butterfly" model of the active site of P450 aMOx. Constrained molecular dynamic simulations and a binding energy analysis of key residuals combined with an experimental alanine scan were applied. As a result, the mutant A275G showed high AM selectivity of >99%. The results also proved that the "butterfly" model is an effective design strategy for enzymes.

SUBMITTER: Pan Y 

PROVIDER: S-EPMC9168652 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Rational Design of P450 aMOx for Improving Anti-Markovnikov Selectivity Based on the "Butterfly" Model.

Pan Yue Y   Bao Jinxiao J   Zhang Xingyi X   Ni Hui H   Zhao Yue Y   Zhi Fengdong F   Fang Bohuan B   He Xiao X   Zhang John Z H JZH   Zhang Lujia L  

Frontiers in molecular biosciences 20220523


Aromatic aldehydes are important industrial raw materials mainly synthesized by anti-Markovnikov (AM) oxidation of corresponding aromatic olefins. The AM product selectivity remains a big challenge. P450 aMOx is the first reported enzyme that could catalyze AM oxidation of aromatic olefins. Here, we reported a rational design strategy based on the "butterfly" model of the active site of P450 aMOx. Constrained molecular dynamic simulations and a binding energy analysis of key residuals combined w  ...[more]

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