https://www.ncbi.nlm.nih.gov/Structure/pdb/2GSM
CYTOCHROME C OXIDASE SUBUNIT 1CYTOCHROME C OXIDASE SUBUNIT 2Cadmium IonCalcium IonCopper (Ii) IonDecyl-Beta-D-MaltopyranosideHeme-AHydroxide IonMagnesium...
i and iicytochrome ccatalyticcoresubunits
https://www.ncbi.nlm.nih.gov/Structure/pdb/3ABK
Cytochrome c oxidase polypeptide 7A1Cytochrome c oxidase subunit 1Cytochrome c oxidase subunit 2Cytochrome c oxidase subunit 3Cytochrome c oxidase subunit 4...
cytochrome c oxidasebovineheartbound