However, the enzyme group is so sensitive to oxygen that commercial use of the hydrogen produced by this process as a green energy source is not yet possible. Researchers have now increased the oxygen stability of a hydrogen-producing enzyme by genetically generated channel blockages. However, the enzyme group is so sensitive to oxygen that commercial use of the hydrogen produced by this process as a green energy source is not yet possible.
The Bochum research team managed to increase the oxygen stability of the hydrogenase enzyme CpI and explain the oxygen protection effect by using an interdisciplinary combination of methods including site-directed mutagenesis, electrochemistry, X-ray crystallography and molecular dynamics simulations.
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