| X-RAY DIFFRACTION |
7.4 |
297 |
MICROCRYSTALS WERE INITIALLY GROWN USING THE HANGING DROP METHOD IN LINBRO
CULTURE PLATES. CRYSTALLIZATION RESERVOIRS CONTAIN 1.8 - 2.0 M AMMONIUM
SULFATE, 50 MM TRIS HCL, 10 MM CACL2, PH 7.4. SIX UL OF 15 MG/ML BOVINE
TRYPSIN IN 20 MM 2-AMINOBENZIMIDAZOLE WAS ADDED TO 6 UL OF RESERVOIR.
MACROSEEDING WAS USED TO GROW LARGE CRYSTALS (REF. 5). SINGLE CRYSTALS WERE
WASHED IN 0.8 M AMMONIUM SULFATE, 50 MM TRIS HCL, 10 MM CACL2, PH 7.4. THE
WASHED CRYSTALS WERE PLACED IN A 18 HOUR OLD HANGING, VAPOR DIFFUSION, HANGING DROP, temperature 297K |
