Ferrochelatase

Ferrochelatase is an enzyme involved in the eighth step of porphyrin metabolism, converting protoporphyrin IX into heme. It catalyses reaction: protoporphyrin + Fe(2+) = protoheme + 2 H(+). A ferrochelatase enzyme consists of 497 amino acid residues with a m.w. of 55.4 kDa.