>sp|B3PWI0|HIS4_RHIE6 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Rhizobium etli GN=hisA MILFPAIDLKGGQCVRLKLGDMQQATVYNTDPAAQAKSFEEQGFEWLHVVDLDGAFAGHS ANGDAVEAILKATKNPVQLGGGIRTLDHIEAWLARGLRRVILGTVAVRNPDLVIEACRKF PGHVAVGIDAKGGKVAVEGWAEASELGVIELAQKFEGAGVSAIIYTDIDRDGILAGINWA STLALAGAVSIPVIASGGLASLDDVRRMLEPDARKLEGAISGRALYDGRIDPRQALALIK ASRAKETA