5.5.1.25	hanging drop vapor diffusion method, using 0.2 M magnesium chloride hexahydrate, 0.1 M bis-Tris pH 6.5, 25% (w/v) polyethylene glycol 3350	
5.5.1.25	sitting drop vapor diffusion method, using 0.2 M magnesium acetate tetrahydrate, 0.1 M sodium cacodylate (pH 6.5), and 20% (w/v) polyethylene glycol 8000