>tr|A0A3D1TN45|A0A3D1TN45_9BIFI 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Bifidobacterium sp GN=hisA MSLTLLPAVDVRDGKAVRLRQGESGSETDYGSPLEAARTWVESGAEWIHLVDLDAAFGTG NNRDQLRAIVKELGDKVNIEMSGGVRDDASLDAALEAGAARVNIGTAALENPDWTASVIK KYGDRVAVGLDVRGHTLAARGWVKEGGDLFETMKFLDSVGCSRYVVTDVARDGMMSGPNI ELLREVASRTDAKVTASGGISKLDDLRNIKELAELGVDAAILGKSLYARAFTLEEALEVA R