Table 2. Crystallization.

Method	Hanging-drop vapour diffusion
Plate type	VDXm plate
Temperature (K)	277
Protein concentration (mg ml−1)	11.4
Buffer composition of protein solution	20 mM Tris–HCl pH 7.5, 50 mM NaCl, 3 mM DTT
Composition of reservoir solution	12%(w/v) polyethylene glycol 3350, 200 mM ammonium sulfate, 100 mM sodium citrate buffer pH 6.2, 20 mM magnesium chloride
Ratio of drop	1:1
Volume of reservoir (ml)	0.4