Issue Date: October 24, 2011
Hydrogenase Spills Secret
An enzyme that taps into hydrogen’s power with minimal interference from oxygen possesses a novel iron-sulfur cluster, according to two crystallography studies (Nature, DOI: 10.1038/nature10505 and 10.1038/nature10504). With nickel and iron clusters, hydrogenase enzymes split H2 into protons and electrons, but O2 squelches the activity of most hydrogenases. Some hydrogenases . . .
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