Table 2. Crystallization.

Method	Vapour diffusion, sitting drop
Plate type	MRC crystallization plate, SWISSCI MRC 2 Well (Jena Bioscience)
Temperature (K)	288
Protein concentration (mg ml−1)	19
Buffer composition of protein solution	20 mM Tris pH 8.0
Composition of reservoir solution	0.2 M magnesium chloride hexahydrate, 30%(w/v) PEG 4000, 0.1 M Tris pH 8.5
Volume and ratio of drop (µl)	3 (1.5 + 1.5)
Volume of reservoir (µl)	100