TABLE 1.

Summary of thermodynamic parameters for intramolecular electron transfer in heme/copper oxidases

	ΔG° (meV)	Hab (eV)	λ (eV)	d (Å)	ket (s−1)	Reference
Bovine a3 → a	−40	9.9 × 10−5	0.76	13.2	2 × 105	10,11
Rb. sphaeroidesa3 → a	−0.1	9 × 10−4	1.2	9	1.2 × 105	11,12
E. colio3 → b	−71	2.1 × 10−3	1.4	9	1.1 × 105	This work