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Literature summary for 1.18.6.1 extracted from

  • Dance, I.
    The hydrogen chemistry of the FeMo-co active site of nitrogenase (2005), J. Am. Chem. Soc., 127, 10925-10942.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Azotobacter vinelandii
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Reaction

Reaction Comment Organism Reaction ID
4 reduced ferredoxin + 8 H+ + N2 + 16 ATP + 16 H2O = 4 oxidized ferredoxin + H2 + 2 NH3 + 16 ADP + 16 phosphate first introduction of H at the NFe7MoS9(homocitrate) active site is via a water chain terminating at water 679 to S3B of the my3-S atoms of the active site. Discussion of subsequent movement of the H atoms around the NFe7MoS9(homocitrate) preparatory to the binding and hydrogenation of N2 and other substrates. S2B has a modulatory function and is not an H-entry site Azotobacter vinelandii