>tr|B0R7J0|B0R7J0_HALS3 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Halobacterium salinarum GN=hisA MTFESFTVLPAVDMQDGQVVQLVQGERGTERTYGDPVDAATDWVAAGAEALHLVDLDGAF EGARANATAVEDILDATDVSVQVGGGIRSAEDATALLDRGVDRVILGTAAIETPDIVGEI AAAYSDGVLVSLDAKDGEVVVEGWTEGTGMDPVAAAQRYADLGAAGILFTDVDVEGKQEG VRTDPVRDLVDSVDIPVIASGGVATVDDVRALEAAGAAGAVVGTALYEGNFTLADAQAAV ED