Related Experiment Video
Updated: Jul 15, 2026
09:58
Light-driven Enzymatic Decarboxylation
Published on: May 22, 2016
Flavin-Decorated Proteins and Bacteria Enable Photoenzymatic Amine Valorisation
Vasco F Batista1, Christian Å Ringsmose1, Erik D Hedegård1
1Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, Odense M 5230, Denmark.
ACS Synthetic Biology
|July 13, 2026
Summary
Researchers developed artificial flavin biomolecules to bridge photocatalysis and biocatalysis. These novel biophotocatalysts enable sustainable synthesis in water, offering enhanced reusability and activity for amine oxidation.
Area of Science:
- Green Chemistry
- Biocatalysis
- Photocatalysis
Background:
- Flavin-type heterocycles are effective photocatalysts for oxidation but face challenges with water solubility, photostability, and reusability.
- Bridging photocatalysis and biocatalysis offers a promising route toward more sustainable synthetic methods.
Purpose of the Study:
- To develop artificial flavin biomolecules that combine the strengths of photocatalysis and biocatalysis.
- To create a versatile framework for hybrid biophotocatalytic systems for environmentally friendly synthesis.
Main Methods:
- Synthesized a 7-/8-carboxyflavin derivative and covalently attached it to protein surfaces.
- Created artificial flavin-decorated proteins and immobilized flavin photocatalysts on *Escherichia coli* cells.
- Integrated biophotocatalysts into one-pot sequential cascade reactions with whole-cell biocatalysts.
Main Results:
- Developed a biophotocatalyst that efficiently oxidizes primary amines in water under mild conditions without external oxidants.
- Achieved enantioselective synthesis of (R)-benzoin and chiral secondary alcohols using sequential cascade reactions.
- Created recyclable, heterogeneous cellular photocatalysts from modified *E. coli* with high activity and stability over multiple cycles.
Conclusions:
- Established a versatile framework for constructing hybrid biophotocatalytic systems.
- Demonstrated the potential of these systems for sustainable synthesis through reactions in water and catalyst recycling.
- Showcased the development of artificial flavin biomolecules as powerful tools in green chemistry.
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