D50B41B7A743BAC175FEA5EA23B7606068A1B416040B0C4D627801B83F575D5D82BC6B52C1DD6D424F9E77E7C9C0FC34

Iron (heme 4 axial ligand)

Source:http://purl.uniprot.org/SHA-384/D50B41B7A743BAC175FEA5EA23B7606068A1B416040B0C4D627801B83F575D5D82BC6B52C1DD6D424F9E77E7C9C0FC34