SMILES: CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C(C)S)C)C(C)S)C)C(=C3CCC(=O)O)C)CCC(=O)O.[Fe]
Description: 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-).