Table 2. Crystallization.

Method	Hanging-drop vapour diffusion
Plate type	24-well plate
Temperature (K)	277
Protein concentration (mg ml−1)	15
Buffer composition of protein solution	10 mM Tris pH 8.0, 150 mM NaCl, 5% glycerol, 5 mM βMe
Composition of reservoir solution	12.5% PEG 3350, 12.5% PEG 1000, 12.5% MPD, 0.03 M amino-acid mix
Volume and ratio of drop	2 µl, 1:1
Volume of reservoir (ml)	0.5