Journal
DALTON TRANSACTIONS
Volume -, Issue 45, Pages 9960-9969Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b916246a
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Funding
- Deutsche Forschungsgemeinschaft [SFB-480]
- EU/Energy Network SolarH2 [FP7 contract 212508]
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Green algae are the only known eukaryotes capable of oxygenic photosynthesis which are equipped with a hydrogen metabolism. Hydrogen production is light-dependent, since the [FeFe] hydrogenases are coupled to the photosynthetic electron transport chain via ferredoxin. Algal [FeFe] hydrogenases are one of the most active biocatalysts for the evolution of hydrogen. Therefore, special interest exists in the biophysical characterization and biotechnological usage of these [Fe-S] enzymes. This review traces the discovery of this interesting class of proteins. Recent findings allow insight into the electronic structure and configuration of the [FeFe] hydrogenase active site (H-cluster). Emphasis is placed on novel discoveries of the hydrogenase interaction with its natural electron donor ferredoxin and the mechanism of enzyme inactivation through oxygen.
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