>tr|A0A0H2Z0B1|A0A0H2Z0B1_ECOK1 Histidine biosynthesis bifunctional protein HisIE OS=Escherichia coli O1:K1 / APEC GN=hisI MLTEQQRRELDWEKTDGLMPVIVQHAVSGEVLMLGYMNPEALDKTLESGKVTFFSRTKQR LWTKGETSGNFLNVVSIAPDCDNDTLLVLANPIGPTCHKGTSSCFGDTAHQWLFLYQLEQ LLAERKSADPETSYTAKLYASGTKRIAQKVGEEGVETALAATVHDRFELTNEASDLMYHL LVLLQDQGLDLTTVIENLRKRHQ