Table 2. Conditions for crystallization of FEA1.

Method	Hanging-drop vapor diffusion
Plate type	VDX48 plate with sealant (Hampton Research)
Temperature (K)	277
Protein concentration (mg ml−1)	10
Buffer composition of protein solution	40 mM Tris–HCl pH 7.5
Composition of reservoir solution	0.2 M ammonium sulfate, 0.1 M imidazole–HCl pH 6.5, 11%(w/v) PEG 3350, 30%(v/v) MPD
Volume and ratio of drop	2 µl, 1:1 ratio of protein:reservoir solution
Volume of reservoir (µl)	150