Cytochromes b5

Synonyms

Apocytochrome b5

Cytochrome b 5

Cytochrome b-5

Cytochrome b5

Ferricytochrome b5

Cytochromes of the b group that are found bound to cytoplasmic side of ENDOPLASMIC RETICULUM. They serve as electron carrier proteins for a variety of membrane-bound OXYGENASES. They are reduced by the enzyme CYTOCHROME-B(5) REDUCTASE.