>tr|A0A087BR07|A0A087BR07_BIFLN 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Bifidobacterium longum subsp. suis GN=hisA MSLTLLPAVDVRDGKAVRLRQGESGSETDYGSPFEAARTWVEAGAEWIHLVDLDAAFGTG NNRDQLREIVHELGDRVNIELSGGVRDDASLDAALEAGAARVNIGTAALENPDWTASVIK KYGDRVAVGLDVRGHTLAARGWTREGGDLFETMKFLDSVGCSRYVVTDVAKDGMMSGPNI QLLREVAERTDAKVTASGGISKLDDLRAIKELAEIGVDSAILGKSLYARAFTLQEALAVA K