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Table 3 Comparison of the kinetic parameters of Tm-, Aa-, Tk-RNases HII and Sto-, Tt-, Ec-RNases HI at 25°C.

From: Evolution and thermodynamics of the slow unfolding of hyperstable monomeric proteins

 

RNase HII

RNase HI

 

Tm

Aa

Tka

Sto

Tt

Ecb

ku(H2O) (s-1)

6.5 × 10-7

3.7 × 10-5

6.0 × 10-10

5.7 × 10-11

-

(1.3 × 10-5)c

1.1 × 10-5

(1.7 × 10-5)d

mu

(M-1 s-1)

1.46

1.08

3.29

2.14

-

3.66

  1. a Data from ref. [19].
  2. b Data from ref. [31].
  3. c Data from ref. [21]. The ku(H2O) value was obtained from the urea-induced unfolding experiments.
  4. d Data from ref. [33]. The ku(H2O) value was obtained from the urea-induced unfolding experiments.