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<p>Arylamine <i>N</i>-acetyltransferases (NATs, E.C. 2.3.1.5) constitute a family of phase II drug metabolizing enzymes. These enzymes catalyze the transfer of acetyl groups from acetyl-CoA to a variety of substrates including arylamines, arylhydrazines, and N-hydroxyarylamines. By facilitating these reactions, NATs play a pivotal role in the detoxification and metabolic processing of a wide range of drugs and carcinogens. NAT in marine <i>V. vulnificus</i> plays a role in the metabolism of drugs, leading to the development of drug resistance in marine <i>V. vulnificus</i>. However, inhibitors targeted marine <i>V. vulnificus</i> NAT [(VIBVN)NAT] remain unclear. Therefore, our research aimed to identify potential hit compounds that target (VIBVN)NAT. We integrated multiple computational approaches to screen for effective inhibitors. From this process, we identified two hit compounds, AK-968-11563024 and AG-205-36710025, with IC<sub>50</sub> values of 18.86 µM and 33.27 µM, respectively. Molecular dynamics simulations further elucidated the binding mechanism between (VIBVN)NAT and AK-968-11563024. Our study revealed that AK-968-11563024 forms stable interactions with PHE124, HIS167, and TRP230, which may contribute to its biological activity. Our findings provide a valuable foundation for the future development of drugs targeted therapeutics against (VIBVN)NAT.</p>

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Novel inhibitors of the (VIBVN) NAT protein identified through pharmacophore modeling

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月23日

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  • Wei Wei,
  • Xionghao Li,
  • Ning Hou,
  • Aowei Xie,
  • Huicong Liang,
  • Ting Gao,
  • Xiaoli Jing,
  • Liqin Li,
  • Jiejie Hao,
  • Ximing Xu

摘要

Arylamine N-acetyltransferases (NATs, E.C. 2.3.1.5) constitute a family of phase II drug metabolizing enzymes. These enzymes catalyze the transfer of acetyl groups from acetyl-CoA to a variety of substrates including arylamines, arylhydrazines, and N-hydroxyarylamines. By facilitating these reactions, NATs play a pivotal role in the detoxification and metabolic processing of a wide range of drugs and carcinogens. NAT in marine V. vulnificus plays a role in the metabolism of drugs, leading to the development of drug resistance in marine V. vulnificus. However, inhibitors targeted marine V. vulnificus NAT [(VIBVN)NAT] remain unclear. Therefore, our research aimed to identify potential hit compounds that target (VIBVN)NAT. We integrated multiple computational approaches to screen for effective inhibitors. From this process, we identified two hit compounds, AK-968-11563024 and AG-205-36710025, with IC50 values of 18.86 µM and 33.27 µM, respectively. Molecular dynamics simulations further elucidated the binding mechanism between (VIBVN)NAT and AK-968-11563024. Our study revealed that AK-968-11563024 forms stable interactions with PHE124, HIS167, and TRP230, which may contribute to its biological activity. Our findings provide a valuable foundation for the future development of drugs targeted therapeutics against (VIBVN)NAT.