cOa+ 4CO2+ 4 pyruvate 4 acetyl-CoA Electrons are transferred to N bound in the 8 Ferredoxin or 8 flavodoxin 6 B naydasinor) active site of dinitrogenase (oxidized) (red via ferredoxin/flavodoxin land dinitrogenase reductase Dinitrogen 8 Dinitrogenase reductase reductase (reduced) (oxidized) 16 ATP 个 16ADP +16P; 8 Dinitrogenase 8 Dinitrogenase reductase(reduced reductase(oxidized) +16ATP + 16ATP Dinitrogenase Dinitrogenase 2H++2e 2H+2e 2H+2e (oxidized) H N≡N H-N=N一H 2N H 2NH扌H2 N Diimine HydrazineElectrons are transferred to N2 bound in the active site of dinitrogenase via ferredoxin/flavodoxin and dinitrogenase reductase