A Photoenzymatic NADH Regeneration System
G.T. Höfler (TU Delft - BT/Biocatalysis)
Elena Fueyo (TU Delft - BN/Greg Bokinsky Lab)
M. Pešić (TU Delft - BT/Biocatalysis)
Sabry H.H. Younes (TU Delft - BT/Biocatalysis)
Eun Gyu Choi (Ulsan National Institute of Science and Technology)
Yong H. Kim (Ulsan National Institute of Science and Technology)
Vlada B. Urlacher (Universität Düsseldorf)
IWCE Arends (TU Delft - BT/Biotechnologie)
Frank Hollmann (TU Delft - BT/Biocatalysis)
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Abstract
A photoenzymatic NADH regeneration system was established. The combination of deazariboflavin as a photocatalyst with putidaredoxin reductase enabled the selective reduction of NAD+ into the enzyme-active 1,4-NADH to promote an alcohol dehydrogenase catalysed stereospecific reduction reaction. The catalytic turnover of all the reaction components was demonstrated. Factors influencing the efficiency of the overall system were identified.