2.7.7.41	hanging drop vapor diffusion method, apoenzyme using 15% (w/v) Tacsimate, pH 7.0, 20 mM CdCl2. CTP-bound enzyme using 0.1 M HEPES-Na, pH 7.5, 9% (w/v) tacsimate, pH 7.0 and 2% (w/v) PEG3350	
2.7.7.41	hanging-drop method