Reduction Potentials

Adriamycin

(R = COCH₂OH)

Svingen, B.A.; Powis, G.
Arch. Biochem. Biophys. 209(1): 119-26 (1981)

E = –292(mV), pH = 7

Reference compound: DQ
Reference E: –244 mV

Kinetics used to estimate equilibrium constant. Eq. vs. O₂ mis-calc., inconsistent (see 83C018)

Land, E.J.; Mukherjee, T.; Swallow, A.J.; Bruce, J.M.
Arch. Biochem. Biophys. 225(1): 116-21 (1983)

E = –328(mV), ionic strength = 0.1, pH = 7

Reference compound: DQ
Reference E: –240 mV
Co-solute: HCO₂^–

Concentrations used to estimate equilibrium constant; other values, pH 6-12.

Mukherjee, T.; Land, E.J.; Swallow, A.J.; Guyan, P.M.; Bruce, J.M.
J. Chem. Soc., Faraday Trans. 1 84(8): 2855-73 (1988); 85(8): 2647 (1989)

E = –341(mV), ionic strength = 0.1, pH = 7
Recommended value.

Reference compound: several
Co-solute: HCO₂^–

Concentrations used to estimate equilibrium constant.