7lgx
The aminoacrylate form of mutant beta-k167t salmonella typhimurium tryptophan synthase in complex with with inhibitor n-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (f9f) at the enzyme alpha-site, benzimidazole (bzi) at the enzyme beta site and cesium ion at the metal coordination site at 1.80 angstrom resolution
