>sp|B7NFA7|HEM3_ECOLU Porphobilinogen deaminase OS=Escherichia coli O17:K52:H18 GN=hemC MLDNVLRIATRQSPLALWQAHYVKDKLMASHPGLVVELVPMVTRGDVILDTPLAKVGGKG LFVKELEVALLENRADIAVHSMKDVPVEFPQGLGLVTICEREDPRDAFVSNNYDSLDALP AGSIVGTSSLRRQCQLAERRPDLIIRSLRGNVGTRLSKLDNGEYDAIILAVAGLKRLGLE SRIRAALPPEISLPAVGQGAVGIECRLDDTRTRELLAALNHHETALRVTAERAMNTRLEG GCQVPIGSYAELIDGEIWLRALVGAPDGSQIIRGERRGAPQDAEQMGISLAEELLNNGAR EILAEVYNGDAPA