6DDCB51C27F984AE31FE3E8F9D2906F62030AC7261E8348CF1BBD0AA247A7372199693ACDC8C09C80216BB14FB52A7BE

Iron (siroheme axial ligand)

Source:http://purl.uniprot.org/SHA-384/6DDCB51C27F984AE31FE3E8F9D2906F62030AC7261E8348CF1BBD0AA247A7372199693ACDC8C09C80216BB14FB52A7BE