Table 1. Crystallization information.

Method	Hanging-drop vapour diffusion
Plate type	24-well plates
Temperature (K)	293
Protein concentration (mg ml−1)	10
Buffer composition of protein solution	20 mM phosphate buffer pH 7.0
Composition of reservoir solution	2.0–2.3 M ammonium sulfate, 1.7%(w/v) PEG 400, 15%(v/v) glycerol, 85 mM HEPES pH 7.5
Volume and ratio of drop	4 µl (1:1 protein:reservoir solution)
Volume of reservoir (ml)	0.45