>sp|A2BQT3|HIS4_PROMS 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Prochlorococcus marinus GN=hisA MDLIPAIDLMNGKCVRLFKGDFNKRKDFAKEPHEQAEFWEREGAKYIHIVDLDAAKTGSP TNDKSIKKIAKTVNIPIQIGGGIRSQERIEQLFSYGVEKVIMGTSAIENKELVKDLSNKF PGRIIVGIDAKDGKVSTRGWLEQSNIFATDLVKEFSSFKIASFIVTDINTDGTLEGTNEE FIKSILEITDIPVIASGGVGSISDLLSLVKFENSGLFGVIVGKALYENKFTINEANNVLS AERLNDIDLNTNYYA