Evidence from Mossbauer spectroscopy for the role of iron in nitrogen fixation.

Adenosine Triphosphate Bacterial Proteins Carbon Isotopes Carbon Monoxide Cyanides Iron/metabolism Iron Isotopes Klebsiella/metabolism Molybdenum Nitrogen Fixation Nitrous Oxide Oxidoreductases Spectrum Analysis Sulfites

Bacterial Proteins Carbon Isotopes Cyanides Iron Isotopes Sulfites Carbon Monoxide Molybdenum Adenosine Triphosphate Iron Oxidoreductases Nitrous Oxide