Tryptophan synthase Q114A mutant in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, aminoacrylate at the beta site, and cesium ion at the metal coordination site
Tryptophan synthase alpha chain - Salmonella enterica subsp. enterica serovar Typhimurium str. LT2