The molecule is a heme that consists of sirohaem lacking the two carboxy groups at positions 12 and 18. It has a role as a bacterial metabolite. It is a conjugate acid of a 12,18-didecarboxysiroheme(6-).
iron;3-[(2S,3S,7S,8S)-7,13,17-tris(2-carboxyethyl)-3,8-bis(carboxymethyl)-3,8,12,18-tetramethyl-2,7-dihydroporphyrin-21,23-diid-2-yl]propanoic acid