Table 2. Crystallization.

Method	Vapour diffusion, sitting drop
Temperature (K)	293
Protein concentration (mg ml−1)	6
Buffer composition of protein solution	50 mM CAPS pH 9.7, 100 mM NaCl, 1 mM TCEP
Composition of reservoir solution	0.1 M bis-tris propane pH 6.5, 20% PEG 3350, 0.2 M sodium malonate
Volume and ratio of drop	0.2 µl, 1:1
Volume of reservoir (µl)	50