1.14.15.14 | hanging drop vapor diffusion method, free enzyme using 1% (w/v) PEGMME 2000, 0.1 M Na cacodylate (pH 6.8), and 0.9 M succinic acid, and enzyme in complex with phytanic acid using 21% (w/v) PEG 4000, 0.1 M Bis-Tris (pH 5.5), and 0.2 M calcium acetate |