>sp|B8HY50|HIS4_CYAP4 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Cyanothece sp. GN=hisA MDIIPAIDLLGGRCVRLYQGDYNQAEVFDTDPVGMARRWLSQGATRLHLVDLDGAKTGEP VNQAAMAAIVQDLAIPVQVGGGVRSRQRVVELLDLGVDRVILGTVAIEQPQLVEALCAEF PGRILIGIDARDGKVATRGWLETSTVQATDLARTVEKAGAAGIIYTDIHRDGTLQGPNLE ALRQLASEVNLPIIASGGVSSIADLLNLFVLSTSGVTGVIIGKALYSGDITLTDAIRAVG QGRWQDVPPDLGFSTFA