ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Diverse N-Oxidation of Primary Aromatic Amines Controlled by Engineered P450 Peroxizyme Variants Facilitated by Dual-Functional Small Molecule.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Diverse N-Oxidation of Primary Aromatic Amines Controlled by Engineered P450 Peroxizyme Variants Facilitated by Dual-Functional Small Molecule.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Amine oxidation is an important organic reaction for the production of high-value N-containing compounds. However, it is still challenging to control the reactivity of active N-centered radicals to selectively access N-oxidation products. Herein, this study reports the engineering of cytochrome P450BM3 into multifunctional N-oxidizing enzymes with the assistance of dual-functional small molecules (DFSM) to selectively produce N-oxygenation (i.e., p-nitrosobenzene, p-nitrobenzene, and azoxybenzene) and one-electron oxidation products (i.e., oligomeric quinones and azobenzene) from aromatic amines. The best mutant, F87A/T268V/V78T/A82T, exclusively gives p-nitrosobenzene (up to 98% selectivity), whereas the selectivity for p-nitrobenzene is >99% using the mutant F87A/T268V/A82T/I263L. Crystal structure analysis reveals that key mutations and DFSM exert synergistic effects on catalytic promiscuity by controlling the substrate orientation in active center. This study highlights the potential of DFSM-facilitated P450 peroxygenase and peroxidase for the synthesis of N-containing compounds via the controllable oxidation of aromatic amines, substantially expanding the chemical space of P450 enzymes.
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Registered trials
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