| X-RAY DIFFRACTION |
? |
293 |
Original reservoir: 900 mM LiCl, 250 mM Tris HCl, pH 8.5, 28 % PEG 6000
Protein mixture: 5 mg/mL CK2alpha Prime in 500 mM NaCl, 25 mM Tris HCl, pH 8.5, 1 mM 4w and 10 % DMSO
Drop: 2 microliter reservoir, 4 microliter protein/4w mix
Crystal optimization by micro- and macroseeding
Desalting process: Step-wise replacement of original drop solution by 50 mM LiCl, 250 mM Tris HCl, pH 8.5, 28 % PEG 6000, 5 % DMSO over 10 days
Ligand soaking: 100 mM ligand in 50 mM LiCl, 250 mM Tris HCl, pH 8.5, 28 % PEG 6000, 5 % DMSO
Equilibration for 24 h against new reservoir: 50 mM LiCl, 250 mM Tris HCl, pH 8.5, saturated PEG 6000 |
