Table 2. Crystallization.

Method	Sitting-drop vapour diffusion
Plate type	24-well VDX plates
Temperature (K)	293
Protein concentration (mg ml−1)	10
Buffer composition of protein solution	20 mM Tris–HCl, 10 mM Na2HPO4, 300 mM NaCl, 5 mM DTT pH 8.0
Composition of reservoir solution	2.0 M NaCl, 0.1 M sodium acetate pH 4.5
Volume and ratio of drop	1 µl, 1:1
Volume of reservoir (µl)	400