4.1.1.76 G74C/C188S mutant in the liganded form at a resolution of 1.45 A, hanging drop vapor diffusion method, using 1.2 M ammonium sulfate, 15% (w/v) PEG5000, 10 mM bromophenylacetate, 1% (v/v) dioxane, and 70 mM HEPES (pH 7.6) 4.1.1.76 hanging-drop vapour-diffusion method, crystallized with ammonium sulfate under alkaline pH conditions with the aim of understanding the mechanism of the enantioselective reaction 4.1.1.76 vapour-diffusion hanging-drop setup