Fractionation and storage of nitrogenase from Azotobacter vinelandii.
D001395:Azotobacter / Q000201:enzymology*; D002852:Chromatography, Ion Exchange; D003080:Cold Temperature; D005615:Freezing; D009586:Nitrogen Fixation; D010084:Oxidation-Reduction; D010088:Oxidoreductases / Q000032:analysis*
D010088:Oxidoreductases