2.7.1.39 | purified recombinant His-tagged enzyme in apoform or with either methionine or ATPgammaS and cysteine, hanging drop vapor diffusion method, mixing of 0.002 ml of 16.2 mg/ml protein in 20 mM Tris, pH 7.5, 150 mM NaCl, 50 mM KCl, and 50 mM MgCl2 with 0.002 ml of well solution containing 0.25 M ammonium sulfate, 25% PEG 3350, and 0.1 M HEPES, pH 7.5, and equilibration against 0.1 ml of well solution, X-ray diffraction structure determination and analysis at 1.8-2.2 A resolution |
758579 |