期刊
BIOCHEMISTRY
卷 49, 期 48, 页码 10264-10266出版社
AMER CHEMICAL SOC
DOI: 10.1021/bi1016167
关键词
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资金
- National Science Foundation, MCB, Biomclecular Systems [MCB-0519743]
- U.S. Department of Energy, Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG-05-05-ER46222]
- BMBF
- Volkswagen foundation
A molecular wire is used to connect two proteins through their physiologically relevant redox cofactors to facilitate direct electron transfer. Photosystem I (PS I) and an [FeFe]-hydrogenase (H(2)ase) serve as the test bed for this new technology. By tethering a photosensitizer with a hydrogen-evolving catalyst, attached by Fe-S coordination bonds between the F-B iron-sulfur cluster of PS 1 and the distal iron-sulfur cluster of H(2)ase, we assayed electron transfer between the two components via light-induced hydrogen generation. These hydrogen-producing nanoconstructs self-assemble when the PS I variant, the H(2)ase variant, and the molecular wire are combined.
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