How many ATPs used in Nitrogen fixation?

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Chetan Santha

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Biological nitrogen fixation can be represented by the following equation, in which two moles of ammonia are produced from one mole of nitrogen gas, at the expense of 16 moles of ATP and a supply of electrons and protons (hydrogen ions): N2 + 8H+ + 8e- + 16 ATP = 2NH3 + H2 + 16ADP + 16 Pi
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The nitrogen in amino acids, purines, pyrimidines, and other biomolecules ultimately comes from atmospheric nitrogen, N2. The biosynthetic process starts with the reduction of N2 to NH3 a process called nitrogen fixation.Symbiotic Rhizobium bacteria invade the roots of leguminous plants and form root...
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The nitrogen in amino acids, purines, pyrimidines, and other biomolecules ultimately comes from atmospheric nitrogen, N2. The biosynthetic process starts with the reduction of N2 to NH3 a process called nitrogen fixation.Symbiotic Rhizobium bacteria invade the roots of leguminous plants and form root nodules in which they fix nitrogen, supplying both the bacteria and the plants. A relatively small amount of ammonia is produced by lightning.Some ammonia also is produced industrially by the Haber-Bosch process using an iron-based catalyst very high pressures and fairly high temperature. read less
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16 molecules
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N2 + 8H+ + 8e- + 16 ATP = 2NH3 + H2 + 16ADP + 16 pi
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Kankshi Payal Guru

In most nitrogen-fixing microorganisms, the eight high-potential electrons come from reduced ferredoxin, generated by photosynthesis or oxidative processes. Two molecules of ATP are hydrolyzed for each electron transferred. Thus, at least 16 molecules of ATP are hydrolyzed for each molecule of N2 red...
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JU-IITKGP & 10+ years experienced for boards, JEE,NEET,OLYMPIAD & 5-12

Biological nitrogen fixation can be represented by the following equation, in which two moles of ammonia are produced from one mole of nitrogen gas, at the expense of 16 moles of ATP and a supply of electrons and protons (hydrogen ions): N2 + 8H+ + 8e- + 16 ATP = 2NH3 + H2 + 16ADP + 16 Pi
read more
Biological nitrogen fixation can be represented by the following equation, in which two moles of ammonia are produced from one mole of nitrogen gas, at the expense of 16 moles of ATP and a supply of electrons and protons (hydrogen ions): N2 + 8H+ + 8e- + 16 ATP = 2NH3 + H2 + 16ADP + 16 Pi read less
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