自然の酵素に新しいトリックを教える
1University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France.
Science (New York, N.Y.)
|December 23, 2021
まとめ
エンジニアリングされたP450酵素は,現在,高いステレオ選択性を持つ無生物的根幹反応を実行しています. この画期的な発見により 生物学的成分を使わずに 精密な化学合成が可能になり 緑の化学の応用が進んでいます
科学分野:
- 生物触媒と酵素工学
- 有機化学
- 緑の化学
背景:
- サイトクロームP450は,様々な酸化反応に関与する多用途のヘムを含む酵素です.
- 伝統的なP450アプリケーションには,しばしば生物学的システムまたはコファクターが必要です.
- アビオティック・ラジカル反応は有機合成において極めて重要であるが,ステレオ選択的に制御することは困難である.
研究 の 目的:
- アビオティック・ラジカル反応の触媒として P450を設計する.
- これらのエンジニアリングされた酵素反応で高いステレオ選択性を達成するために.
- 合成化学のための新しい生物触媒ツールを開発する.
主な方法:
- 細胞染色体P450の変異の指向的な進化とタンパク質工学
- 酵素の安定性と適合する無生物反応条件の発達
- キラルクロマトグラフィとスペクトロスコピーを用いた反応産物の立体化学分析.
主要な成果:
- エンジニアリングされたP450変種は,アビオティック・ラジカル反応において有意な触媒的活性を示した.
- 高レベルのステレオ選択性 (エナティオメリックおよびダイアステレオメリック過剰) が達成されました.
- エンジニアリングされた酵素は 複雑なキラル分子の形成を ラジカル経路で可能にしました
結論:
- サイトクロームP450はアビオティック・ステレオセレクティブ・ラジカル・カタリシスに成功した.
- この研究は,P450酵素の合成的有用性を,その自然な生物学的役割を超えて拡張する.
- 開発された生物触媒は,キラル化合物を合成するための持続可能で正確な代替手段を提供します.
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