Cu<sup>II</sup>‐Containing 1‐Aminocyclopropane Carboxylic Acid Oxidase Is an Efficient Stereospecific Diels–Alderase
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- Wadih Ghattas
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS – Univ Paris Sud Université Paris-Saclay Orsay 91405 Cedex France
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- Virginie Dubosclard
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS – Univ Paris Sud Université Paris-Saclay Orsay 91405 Cedex France
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- Sybille Tachon
- Institut des Sciences Moléculaires de Marseille (iSm2), UMR 7313 CNRS – Aix Marseille Univ Centrale Marseille Marseille 13013 Cedex France
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- Morane Beaumet
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS – Univ Paris Sud Université Paris-Saclay Orsay 91405 Cedex France
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- Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS – Univ Paris Sud Université Paris-Saclay Orsay 91405 Cedex France
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- Marius Réglier
- Institut des Sciences Moléculaires de Marseille (iSm2), UMR 7313 CNRS – Aix Marseille Univ Centrale Marseille Marseille 13013 Cedex France
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- A. Jalila Simaan
- Institut des Sciences Moléculaires de Marseille (iSm2), UMR 7313 CNRS – Aix Marseille Univ Centrale Marseille Marseille 13013 Cedex France
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- Jean‐Pierre Mahy
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS – Univ Paris Sud Université Paris-Saclay Orsay 91405 Cedex France
書誌事項
- 公開日
- 2019-09-05
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1002/anie.201909407
- 公開者
- Wiley
この論文をさがす
説明
<jats:title>Abstract</jats:title><jats:p>In the context of developing ecofriendly chemistry, artificial enzymes are now considered as promising tools for synthesis. They are prepared in particular with the aim to catalyze reactions that are rarely, if ever, catalyzed by natural enzymes. We discovered that 1‐aminocyclopropane carboxylic acid oxidase reconstituted with Cu<jats:sup>II</jats:sup> served as an efficient artificial Diels–Alderase. The kinetic parameters of the catalysis of the cycloaddition of cyclopentadiene and 2‐azachalcone were determined (<jats:italic>K</jats:italic><jats:sub>M</jats:sub>=230 μ<jats:sc>m</jats:sc>, <jats:italic>k</jats:italic><jats:sub>app</jats:sub>=3 h<jats:sup>−1</jats:sup>), which gave access to reaction conditions that provided quantitative yield and >99 % <jats:italic>ee</jats:italic> of the (<jats:italic>1S</jats:italic>,<jats:italic>2R</jats:italic>,<jats:italic>3R</jats:italic>,<jats:italic>4R</jats:italic>) product isomer. This unprecedented performance was rationalized by molecular modeling as only one docking pose of 2‐azachalcone was possible in the active site of the enzyme and this was the one that leads to the (<jats:italic>1S</jats:italic>,<jats:italic>2R</jats:italic>,<jats:italic>3R</jats:italic>,<jats:italic>4R</jats:italic>) product isomer.</jats:p>
収録刊行物
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- Angewandte Chemie International Edition
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Angewandte Chemie International Edition 58 (41), 14605-14609, 2019-09-05
Wiley
