>sp|Q7UG70|HIS4_RHOBA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Rhodopirellula baltica GN=hisA MSSQTPGSEPRMEIWPAIDLRHGKPVRLRQGDYDQQTTFGDDPVEFAKRWQESGAKRLHL VDLDAARGDSPDANRDAVQRIIEATGLPCQMGGGVRDEITIESLLNVGVTRLVVGSRALK DPDWFVEMCDKYPGKLVAGIDARDGKVATQGWLETSDVSAFEFATKLRSRTENIAAIVYT DIAKDGMMQGPNFEGLAEMAAASDIPLVASGGVTTYDDIKQLVEMKMPAAIVGRSLYDGV MELGEVVRLAGDV