4.1.99.22 | purified recombinant enzyme, mixing of 0.001 ml of 24 mg/ml protein in 20 mM Tris-HCl, pH 8.0, and 0.2 M NaCl, with 0.001 ml of reservoir solution containing 40% v/v PEG 600, 100 mM CHES buffer, pH 9.5, or 0.2 M ammonium acetate, 0.1 M Bis-Tris, pH 5.5, 25% w/v PEG 3350, 1 week, two different crystal forms, X-ray diffraction structure determination and analysis at 1.7-1.9 A resolution, molecular replacement method |
723849 |