title: Physiological electron donor systems to the nitrogenase of the blue-green alga Anabaena cylindrica.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D002850:Chromatography, Gel; D000458:Cyanobacteria / Q000201:enzymology / Q000378:metabolism*; D004579:Electron Transport; D005288:Ferredoxins / Q000378:metabolism*; D009249:NADP / Q000378:metabolism; D010088:Oxidoreductases / Q000378:metabolism*
chemical_list: D005288:Ferredoxins; D009249:NADP; D010088:Oxidoreductases; D000114:Acetylene