NitrogenaseAcetyleneNitrogen FixationMolybdoferredoxinAzotobacterAzotobacter vinelandiiMolybdenumDinitrogenase ReductaseKlebsiella pneumoniaeRhodospirillum rubrumFerredoxinsOxidoreductasesNitrogenDithioniteRhodobacter capsulatusHydrogenEthaneAmmoniaTricarboxylic AcidsCyanobacteriaAzospirillum brasilenseMethionine SulfoximineMetalloproteinsFlavodoxinVanadiumArgonGenes, BacterialOxidation-ReductionQuaternary Ammonium CompoundsElectron Spin Resonance SpectroscopyRhodopseudomonasBacterial ProteinsGluconacetobacterClostridiumTungsten