3 reduced [flavodoxin] + 2 L-arginine + 4 O2 => 3 oxidized [flavodoxin] + 2 L-citrulline + 2 nitric oxide + 4 H2O + 5 H(+)
3 reduced [flavodoxin] + 2 l-arginine + 4 o2 => 3 oxidized [flavodoxin] + 2 l-citrulline + 2 nitric oxide + 4 h2o + 5 h(+)