Table 2. Comparison of K_m values and specific activity of EtCRK2 in the two protein–activator complexes.

Results are expressed as mean values±sd of at least three independent experiments (n = 3).

Parameter	EtCRK2/XlRINGO	EtCRK2/EtCYC3a
Specific activity (µmol min−1 mg−1)	1.29±0.24	0.15±0.02
Km for ATP (µM)	9.39±1.21	9.05±0.76
Km for fluorescein-labelled substrate (µM)	1.72±1.10	2.05±1.18