Table 2. Crystallization.

Method	Hanging-drop vapour diffusion
Plate type	24-well
Temperature (K)	293
Protein concentration (mg ml−1)	12
Buffer composition of protein solution	20 mM Tris–HCl pH 8.0, 0.2 M NaCl
Composition of reservoir solution	0.1 M bis-tris pH 5.8, 20% PEG 3350, 0.2 M ammonium sulfate
Volume and ratio of drop	2 µl, 1:1
Volume of reservoir (µl)	700