Coproporphyrinogen-III oxidase, aerobic 303 Key enzyme in heme biosynthesis. Catalyzes the oxidative decarboxylation of propionic acid side chains of rings A and B of coproporphyrinogen III (By similarity). MERPQLPQGLPADIERKKAEAKAWFESLRDTICADFEAIEDDLAGPLSDRPAGRFVAKDWLRDEGNGGGGRMSMMEGRVFEKVGVHTSTVFGEFSPEFRDQIPGASEDPRFWASGISLIAHPVNPNVPAVHMNTRMVVTTSNWFGGGADLTPVLDRRRIPTDADTVLFHRAMEIACNRHKVADYPKFKQWCDEYFYLKHRNEPRGTGGIFYDWLRSDEEIGGWEADFAFTRDVGKAFAIVYPRIVRTNFNMPWTEQDRSEQLVRRGRYVEFNLLYDRGTIFGLKTGGNVESILSSLPPLVRWP hemF HEM6_SINMW Smed_1549