Table 2. Crystallization of the JAK1 kinase domain.

Method	Hanging-drop vapor diffusion
Plate type	Hampton Research VDXm
Temperature (K)	281
Protein concentration (mg ml−1)	5
Buffer composition of protein solution	25 mM Tris, 250 mM NaCl, 5 mM TCEP, 10 mM ATP, 10 mM MgCl2 pH 8.0
Composition of reservoir solution	30% PEG 1500, 8% MPD, 0.1 M Tris pH 9
Volume and ratio of drop	1 µl:1 µl
Volume of reservoir (µl)	500