Table 1

Heterotropic effects at half-saturation (P50) for coast and eastern mole hemoglobin

Eastern mole

Coast mole



Hb I

Hb II

Hb I

Hb II



Δlog P50/Δlog [Cl-]1,2

0.21

0.25

0.31

0.33

Δlog P50± 2.5 mM DPG1,3

0.02

0.02

0.26

0.23

Δlog P50/ΔpH4

25°C, 0.1 M Cl-

-0.57

-0.61

-0.55

-0.62

37°C, 'stripped'

-0.40

-0.41

-0.32

-0.44

37°C, 0.1 M Cl-

-0.51

-0.52

-0.54

-0.59

37°C, 0.1 M Cl- + 2.5 mM DPG

-0.63

-0.73

-0.86

-0.78

Oxygenation enthalpy; ΔH (kJ mol-1 O2)5

-13.7

-10.3

-9.7

-7.6


1pH = 7.2

2[DPG] = 0 mM

3[Cl-] = 0.1 M

4over pH range 6.9-7.4; PCO2 = 0 mm Hg

5[Cl-] = 0.1 M; [DPG] = 0 mM; pH = 7.2

Campbell et al. BMC Evolutionary Biology 2010 10:214   doi:10.1186/1471-2148-10-214

Open Data