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. 2021 Feb 19;77(Pt 3):325–335. doi: 10.1107/S2059798321000735

Table 2. Crystallization.

  UnGlnK AdGlnK
Method Sitting-drop vapor diffusion Hanging-drop vapor diffusion
Plate type Greiner CrystalQuick 96-well ComboPlate 24-well
Temperature (K) 292 292
Protein concentration (mg ml−1) 13 11
Buffer composition of protein solution 20 mM Tris–HCl pH 8.0, 200 mM NaCl, 1 mM EDTA 20 mM Tris–HCl pH 7.5, 50 mM NaCl, 2 mM MgCl2
Composition of reservoir solution 2.0 M ammonium sulfate, 5%(v/v) 2-propanol 0.06 M MgCl2, 0.06 M CaCl2, 0.1 M MOPS pH 7.1, 0.1 M HEPES pH 7.1, 15%(v/v) MPD, 15%(w/v) PEG 1000, 15%(w/v) PEG 3350
Volume and ratio of drop 0.4 µl, 1:1 2.0 µl, 1:1
Volume of reservoir (µl) 70 700