MDLSAVRFDEKGLVPVVVQDARTGEVLTLAYANREALEETLRTRRSTFFSRSRQALWRKGETSGHTQEVVEVLLDCDGDAVVYRVLPQGPACHTGERTCFHRALLEGEKDLGFVVGQVYATIKERLRTLPEGSYVARMHHAGLDRILKKIGEEAGEVILAAKNQNPEELRHEAADLLFHLLLTLAELGLTPEDLAKTLWERHRPRSPYDGSHGN HIS2_THET2 hisI 214 Histidine biosynthesis bifunctional protein HisIE Phosphoribosyl-AMP cyclohydrolase TT_C1080 Phosphoribosyl-ATP pyrophosphatase hisIE