Table 2.

Comparison of the thermodynamic parameters of Tm-, Aa-, Tk-RNases HII and Sto-, Tt-, Ec-RNases HI.

	RNase HII			RNase HI
	Tm	Aa	Tka	Sto	Ttb	Ecb
Tm (°C)	78.6	84.0	82.8	102.0	86.0	66.0
ΔCp (kJ mol-1 K-1)	7.3 ± 0.6	10.4 ± 0.6	14.5 ± 1.8	11.9 ± 1.2	7.5 ± 0.4	11.3 ± 0.8
ΔHm (kJ mol-1)	471 ± 19	549 ± 21	745 ± 49	858 ± 45	548 ± 21	502 ± 17
Ts (°C)	19.3	35.2	40.0	37.4	20.0	24.0
ΔG(Ts) (kJ mol-1)	40.7	38.5	51.2	77.5	53.1	31.3

^a Data from ref. [19].

^b Data from ref. [20].