A subclass of heme a containing cytochromes that have two imidazole nitrogens as axial ligands and an alpha-band absorption of 605 nm. They are found in a variety of microorganisms and in eucaryotes as a low-spin cytochrome component of MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV.
Synonyms: Cytochrome a, Cytochromes a, 9035-34-1
Instance information
comment
2004; use CYTOCHROME A GROUP 1994-2004, use CYTOCHROME A (NM) 1979-1993 ,2004; see CYTOCROME A GROUP 1994-2004; CYTOCHROME A was indexed under CYTOCHROMES 1979-1993
identifier
D045264