1.14.18.6 | purified recombinant wild-type scScs7p and mutant DELTA95scScs7p, microbatch-under-oil method, micxing of 0.002 ml of protein solution at 2.5 or 3.3 mg/ml with 0.002 ml of crystallization solution containing 10% PEG 2000, 100 mM sodium citrate, pH 5.6, and 50 mM ammonium sulfate, or 20% w/v PEG 3350, 100 mM HEPES, pH 7.0, and 300 mM ammonium sulfate, and then covering the drop with 0.05 ml of mineral oil, 2-7 days, 14°C, soaking in heavy atom solution saturated with K2HgI4, X-ray diffraction structure determination and analysis at 2.6-6.0 A resolution |