Table 2. Crystallization.

Method	Sitting-drop vapour diffusion
Plate type	Low-profile 96-well (Greiner)
Temperature (K)	293
Protein concentration (mg ml−1)	60
Buffer composition of protein solution	20 mM Tris–HCl pH 8.0, 150 mM NaCl
Composition of reservoir solution	0.1 M CdCl2, 30%(v/v) PEG 400, 0.1 M sodium acetate pH 4.6
Volume and ratio of drop	200 nl protein solution with 200 nl reservoir solution