Cytochromes a3

Synonyms

Cytochrome a(3)

Cytochrome a3

Ferrocytochrome a3

A subclass of heme a containing cytochromes with an alpha-band absorption of 605 nm. They are found in a variety of microorganisms and in eukaryotes as a high-spin cytochrome component of MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV.