| X-RAY DIFFRACTION |
7.5 |
293.15 |
protein buffer:
20mM TRIS
50mM NaCl
protein concentration:
8mg / ml;
crystallization buffer
0.1M HEPES pH 7.5
21% PEG 4000
15% isopropanol;
crystalliztion setup:
mixture 400nl protein sample : 400nl crystallization buffer
reservoir filled with 80 ul crystallization buffer;
cryo solution:
25% PEG 4000
20% isopropanol
10% glycerol
0.1M HEPES pH 7.5
freezing of crystals: crystallization setup was overlayed with cryosolution, floating crystals were removed with a cryoloop and flash-frozen in liquid nitrogen., VAPOR DIFFUSION, SITTING DROP, temperature 293.15K |
