Fe(II)-hydroxyheme i + AH2 => Fe(II)-heme i + A + H2O
fe(ii)-hydroxyheme i + ah2 => fe(ii)-heme i + a + h2o
Fe(II)-hydroxyheme i + AH2 => Fe(II)-heme i + A + H2O
fe(ii)-hydroxyheme i + ah2 => fe(ii)-heme i + a + h2o