The molecule is a ferroheme coordination complex bearing 1-sulfanylethyl substituents at the 8- and 13-positions. It has a role as a cofactor. It is a conjugate acid of a ferroheme c(2-).
3-[18-(2-carboxyethyl)-3,8,13,17-tetramethyl-7,12-bis(1-sulfanylethyl)porphyrin-21,23-diid-2-yl]propanoic acid;iron