Hydrolysis of 10 μM Fl-A catalyzed by various concentrations of A-Lc: no A-Lc, solid diamonds; 0.063 μg/ml, open diamonds; 0.13 μg/ml, solid triangles; 0.25 μg/ml, open triangles; 0.50 μg/ml, solid circles; 1.0 μg/ml, open circles. (Inset) Hydrolysis rate versus concentration of A-Lc.