Nitrogenase. I. Repression and derepression of the iron-molybdenum and iron proteins of nitrogenase in Azotobacter vinelandii.

Acetylene/metabolism Azotobacter/drug effects,enzymology,growth & development Bacterial Proteins/biosynthesis,isolation & purification,metabolism,pharmacology Chromatography, DEAE-Cellulose Chromatography, Gas Enzyme Repression Ferredoxins Hydrogen/metabolism Iron Kinetics Macromolecular Substances Molybdenum Nitrogen Fixation Oxidation-Reduction Oxidoreductases/biosynthesis,metabolism Quaternary Ammonium Compounds/pharmacology Sodium Chloride

Bacterial Proteins Ferredoxins Macromolecular Substances Quaternary Ammonium Compounds Sodium Chloride Hydrogen Molybdenum Iron Oxidoreductases Acetylene