Table 2. Crystallization.

Method	Hanging-drop vapour diffusion
Plate type	16-well plates
Temperature (K)	293
Protein concentration (mg ml−1)	15
Buffer composition of protein solution	20 mM Tris–HCl pH 8.0, 150 mM NaCl, 1 mM DTT, 0.2 mM EDTA
Composition of reservoir solution	0.1 M Tris–HCl pH 8.4, 1.25 M potassium sodium tartrate
Volume and ratio of drop	2 µl, 1:1
Volume of reservoir (µl)	500