Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 40, Pages 12700-12704Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b08020
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Funding
- National Science Foundation of China [21790390, 21790391, 21435007, 21621062, 21874139]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDB30000000]
- Chinese Academy of Sciences [QYZDJ-SSW-SLH030]
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Ferredoxin-dependent glutamate synthase (Fd-GltS) is reported as an enzymatic bioelectrocatalyst for the first time. By configuring mediated electrochemical interfaces with mediators of different redox potentials, we realize bioelectrosynthesis or bioelectrooxidation of glutamate with recombinant Fd-GltS from cyanobacteria. Particularly, bioelectrocatalytic oxidation of glutamate by Fd-GltS is demonstrated to be oxygen independent. This study reinforces a new catalytic option for developing enzymatic bioelectronic devices for powering, sensing or synthesis.
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