Effect of mutation of lysine-120, located at the entry to the active site of O-acetylserine sulfhydrylase-A from Salmonella typhimurium
Keywords: O-acetylserine sulfhydrylase; Pyridoxal 5-phosphate; Spectroscopy; P-31 NMR; Site-directed mutagenesisAA, α-aminoacrylate intermediate; ISB, internal Schiff base: ESB, external Schiff base; PLP, pyridoxal 5′-phosphate; HEPES, N-(2-hydroxyethyl)piperazine-