| X-RAY DIFFRACTION |
8.0 |
277 |
3 uL protein solution (20 mg/mL lyophilized hCAII in 50 mM Tris-sulfate, 1 mM methyl mercuric acetate) and 5 uL precipitating buffer (2.6 M ammonium sulfate, 50 mM Tris-sulfate were mixed and equilibrated against 500 uL precipitating buffer. Single crystals were transferred into a cross-linking buffer, which was prepared from 10 uL precipitating buffer and 5 uL glutaraldehyde solution (0.8 % glutaraldehyde, 4 M ammonium sulfate, 50 mM Tris-sulfate) and equilibrated for 18 h. Cross-linked crystals were transferred into soaking buffer (9 uL precipitating buffer, 0.5 uL 60 mM {(6-benzene)Ru(bispy 3)Cl}+ in DMSO) and equilibrated for 54 h, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
