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Photobiocatalytic chemistry of oxidoreductases using water as the electron donor

Author

Listed:
  • Maria Mifsud

    (Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n)

  • Serena Gargiulo

    (Delft University of Technology)

  • Sara Iborra

    (Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n)

  • Isabel W. C. E. Arends

    (Delft University of Technology)

  • Frank Hollmann

    (Delft University of Technology)

  • Avelino Corma

    (Instituto de Tecnología Química UPV-CSIC, Avda de los Naranjos s/n)

Abstract

To date, water has been poorly studied as the sacrificial electron donor for biocatalytic redox reactions using isolated enzymes. Here we demonstrate that water can also be turned into a sacrificial electron donor to promote biocatalytic redox reactions. The thermodynamic driving force required for water oxidation is obtained from UV and visible light by means of simple titanium dioxide-based photocatalysts. The electrons liberated in this process are delivered to an oxidoreductase by simple flavin redox mediators. Overall, the feasibility of photobiocatalytic, water-driven bioredox reactions is demonstrated.

Suggested Citation

  • Maria Mifsud & Serena Gargiulo & Sara Iborra & Isabel W. C. E. Arends & Frank Hollmann & Avelino Corma, 2014. "Photobiocatalytic chemistry of oxidoreductases using water as the electron donor," Nature Communications, Nature, vol. 5(1), pages 1-6, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4145
    DOI: 10.1038/ncomms4145
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