Table 2. Crystallization.

Method	Hanging-drop vapor diffusion
Plate type	24-well hanging-drop crystallization plate
Temperature (K)	293
Protein concentration (mg ml−1)	10
Buffer composition of protein solution	50 mM Tris pH 7.5, 150 mM NaCl, 2 mM DTT, 5% glycerol, 0.02% NaN3
Composition of reservoir solution	20% PEG 6000, 0.1 M HEPES pH 7.5
Volume and ratio of drop	2 µl; 1:1
Volume of reservoir (µl)	500