. 2014 Nov 30;22(6):491–496. doi: 10.4062/biomolther.2014.083

Table 2.

Principal UV/Vis characteristics of some hemoproteins

Enzyme	Status	Absorption wavelength (nm)
Bovine COX	Fully oxidized	425, 597
	Fully reduced	444, 604
	Compound A (CO)	588–590 (+CO), 608–612 (−CO)
Horseradish peroxidase	Ferric	402–404, 495–500
Horseradish peroxidase	Ferrous	437, 556–560
Yeast cytochrome c peroxidase	Ferric	408, 507, 647
Yeast cytochrome c peroxidase	Ferrous	438, 560

Rich, P. R. and Iwaki, M. (2007) A comparison of catalytic site intermediates of cytochrome c oxidase and peroxidases. Biochemistry (Moscow) 72, 1047–1055 (modified).