| X-RAY DIFFRACTION |
6.5 |
289 |
0.2 ul of 11 mg/ml protein in 20 mM HEPES pH 7.5, 150 mM NaCl, 10% Glycerol, 0.1% Sodium Azid, 0.5 mM TCEP, 7mM NADP and 20 mM tyrosine were mixed with 0.2 ul of the Index condition #83 (0.2 M Magnesium chloride hexahydrate, 0.1 M BIS-TRIS pH 6.5, 25% w/v Polyethylene glycol 3,350) and equilibrated against 1.5 M NaCl solution in 96 Well 3 drop Crystallization Plate (Swissci). Before crystallization protein was incubated with 1/50 v/v of 2 mg/ml chymotrypsin solution at 289 K for 3 hours |