. Author manuscript; available in PMC: 2012 Nov 1.

Published in final edited form as: Biochim Biophys Acta. 2011 Jul 1;1807(11):1398–1413. doi: 10.1016/j.bbabio.2011.06.016

Table 3.

Spectral properties of cytochrome bd-I from E. coli. Shown are wavelengths (nm) and extinction coefficients (in parentheses, mM⁻¹·cm⁻¹) for “reduced-minus-oxidized” difference absorption spectra. Data are taken from reference [225].

	Heme b₅₅₈	Heme b₅₉₅	Heme d
Maxima	429.5 (90), 531.5 (5.8), 561 (17.2)	439 (113), 561.5 (8.2), 594 (5.3)	430 (30), 629 (18)
Minima	413 (−40), 497 (−4.3), 545 (~0)	400 (−37), 500 (−3.6), 643 (−1.18)	405 (−23), 468 (−6.3), 657.5 (−2.7), 739±2 (−2.4)
Isosbestic points	421, 450, 518, 573	422, 457, 535, 613	418.5, 449, 602, 648