>sp|Q7TUA7|HIS4_PROMP 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Prochlorococcus marinus subsp. pastoris GN=hisA MKLIPAIDLMNGKCVRLFKGDFNKKKDFSREPYEQAKYWENEGAKCIHIVDLDAAKTGIP TNDQSIQKIVKSVNIPIQIGGGIRSLERIKQLFSYGVDKVIMGTSAIENKELVKSLSTKF PSRIIIGIDAKEGKVSTRGWLKQSDVLATELVQEFSSFKIASFIVTDINTDGTLEGTNEV FIKKILEITDIPVIASGGVGSISDLLSLTKFEDSGLYGVIVGKALYENKFTISEASNILS TERINDIPINKDYYA