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As an essential component of amino acids and nucleic acids, nitrogen (N) is a key element of life. For atmospheric (dinitrogen, N2 ) and environmental (nitrate and nitrite, NO3 - and NO2 - ) sources of N to be utilized in amino acid synthesis in various forms of life, it must first be reduced to ammonia (NH3 ). The Haber-Bosch process, in which N2 is reduced to NH3 at elevated temperature and pressure, represents a major NH3 production process that has had a great impact on the agricultural crop industry. This Minireview discusses the recent electrochemistry of three key enzymes of the global biogeochemical N cycle (nitrogenase, nitrate reductase, and nitrite reductase), in view of moving toward the creation of alternative NH3 production biotechnologies.
Milton et al. (Thu,) studied this question.