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Keywords:

  • FeS clusters;
  • hydrogenases;
  • NiFe acvite site;
  • spectroscopic methods;
  • vibrational spectroscopy
Thumbnail image of graphical abstract

The active site of [NiFe] hydrogenase is an excellent catalyst for hydrogen conversion with an intriguing ability to recover from exposure to dioxygen. In their Communication on page 724 ff., W. Lubitz, S. P. Cramer, and co-workers use the synchrotron technique of nuclear resonance vibrational spectroscopy to identify normal modes associated with active-site Fe[BOND]CN and Fe[BOND]CO motion.