1.13.11.57 crystallographic analyses of DesB shows that gallate is recognized by several hydrogen bonds. Three groups of the hydrogen bonds recognize a substrate and place the substrate in a productive arrangement 746263 1.13.11.57 hanging drop vapor diffusion method, using 25% (w/v) PEG 8000, 0.1 M sodium acetate trihydrate, 0.1 M HEPES-NaOH pH 7.8, at 4°C 713675