Site-directed mutagenesis of a conserved region of the 5-enolpyruvylshikimate-3-phosphate synthase active site. - Padgette SR; Re DB; Gasser CS; Eichholtz DA; Frazier RB; Hironaka CM; Levine EB; Shah DM; Fraley RT; Kishore GM (The Journal of biological chemistry, 1991)