1.13.11.38 | mutant A85H and W104Y variants and mutant W104Y with gentiate, sitting drop vapor diffusion method, 4°C, mixing of 0.001 ml of protein solution with 0.0008 ml of crystallization solution containing 8% PEG10000 and 0.1 M Tris-HCl pH 8.0, with 0.0002 ml of a 0.1 M calcium chloride solution, crystals quality is also improved using seeding techniques, X-ray diffraction structure determination and analysis at 2.5-2.7 A resolution |