Table 2. Crystallization conditions.

Method	Sitting-drop vapor-diffusion
Plate type	48-well plates
Temperature (K)	289
Protein concentration (mg ml−1)	10
Buffer composition of protein solution	20 mM Tris–HCl, pH 7.5, 100 mM NaCl, 1 mM DTT, 5%(v/v) glycerol
Composition of reservoir solution	0.24 M lithium sulfate, 0.1 M Tris–HCl pH 8.5, 26%(w/v) PEG 4000
Volume (µl), ratio of drop	2, 1:1 ratio of protein:reservoir solution
Volume of reservoir (µl)	100