Table 2. Crystallization.

Method	Hanging-drop vapour diffusion
Plate type	24-well plates
Temperature (K)	289
Protein concentration (mg ml−1)	4
Buffer composition of protein solution	50 mM Tris–HCl pH 7.5, 150 mM NaCl, 5 mM DTT
Composition of reservoir solution	0.2 M ammonium acetate, 0.1 M Bis-Tris pH 5.5, 25%(w/v) polyethylene glycol 3350
Volume and ratio of drop (µl)	1:1
Volume of reservoir (ml)	0.5