X-RAY DIFFRACTION |
5.6 |
293 |
VAPOR DIFFUSION, SITTING DROP, 20 DEGREES. DROP: 0.8 MICRO-LITERS OF PROTEIN (10 MG/ML IN 25 MM HEPES, PH 7.4, 200 MM SODIUM CHLORIDE, 1 MM PMSF, 5 MM DTT) PLUS 0.8 MICRO-LITERS OF CRYSTALLIZATION SOLUTION (0.8 M LITHIUM SULFATE, 0.8 M AMMONIUM SULFATE, 0.4 M SODIUM CHLORIDE, 0.1 M SODIUM CITRATE, PH 5.6, 10 MM DTT). RESERVOIR: 1 ML OF CRYSTALLIZATION SOLUTION. CRYSTALS APPEARED WITHIN 12 HOURS AND GREW TO THEIR FINAL SIZE WITHIN 10 DAYS. CRYO-PROTECTION SOLUTION: RESERVOIR SOLUTION PLUS 23 PERCENT (V/V) GLYCEROL. |