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April 19, 2026ACS Catalysis

Computational Study on Key Factors Controlling the Regioselectivity of the CYP11A1-Catalyzed Sequential Hydroxylations of Cholesterol

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Authors

JYJianqing YueSXSijie XiangMLMengsha Li

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Overview

Computational study examines regioselectivity in CYP11A1-catalyzed cholesterol hydroxylation, suggesting critical catalytic insights.

Key Points

  • The study aims to clarify the mechanisms behind regioselectivity in the CYP11A1-catalyzed sequential hydroxylation of cholesterol.
  • Conducted molecular dynamics simulations
  • Used quantum mechanical/molecular mechanical calculations
  • Investigated CYP11A1 interactions with cholesterol and 22R-hydroxycholesterol
  • Regioselectivity is determined in the Cpd 0/substrate complex for cholesterol hydroxylation.
  • Hydrogen-bonding interactions affect selective hydroxylation at the C20 site.
  • A competing reaction pathway for hydroxylation of 22R-hydroxycholesterol was identified.

Cite This Study

Yue et al. (2026) studied this question.

synapsesocial.com/papers/69e4713b010ef96374d8dd12https://doi.org/10.1021/acscatal.5c09239
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