title: On the nitrogenase components of Azotobacter vinelandii.
mesh_terms: D001395:Azotobacter / Q000201:enzymology*; D002474:Cell-Free System; D002848:Chromatography, DEAE-Cellulose; D004789:Enzyme Activation; D010088:Oxidoreductases
chemical_list: D010088:Oxidoreductases