1.2.1.15	purified recombinant enzyme, method screening, crystallization of 20 mg/ml protein with crystalliztaion solution consisting of 1.38 M ammonium sulfate, 3.35% 2,2,2-trifluoroethanol, 2% benzamidine, the resulting crystals are used for microseding with 5 mg/ml protein, 1 mM acetyl-CoA, and a solution containing 23.7% w/v PEG 3350, 0.208 M trisodium citrate, 0.1 M Bis-Tris propane, pH 7.55, at 8°C, method optimization, X-ray diffraction structure determination and analysis at 3.0 A resolution, molecular replacement using structure with PDB ID 4zz7 as the search model	741539