title: Biological nitrogen fixation.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism; D001391:Azo Compounds / Q000378:metabolism; D001395:Azotobacter / Q000378:metabolism; D001407:Bacillus / Q000378:metabolism; D003013:Clostridium / Q000378:metabolism; D000458:Cyanobacteria / Q000378:metabolism; D004463:Ecology; D005288:Ferredoxins / Q000378:metabolism; D006859:Hydrogen / Q000378:metabolism; D007709:Klebsiella / Q000378:metabolism; D008670:Metals / Q000378:metabolism; D008956:Models, Chemical; D009586:Nitrogen Fixation; D010088:Oxidoreductases / Q000378:metabolism; D011773:Pyruvates / Q000378:metabolism; D012231:Rhizobium / Q000378:metabolism; D012246:Rhodospirillum / Q000378:metabolism; D012988:Soil Microbiology
chemical_list: D001391:Azo Compounds; D005288:Ferredoxins; D008670:Metals; D011773:Pyruvates; D006859:Hydrogen; D000255:Adenosine Triphosphate; D010088:Oxidoreductases; D000114:Acetylene