Cua3 of cytochrome c oxidase is not a type 1 (blue) copper.
D000818:Animals; D002417:Cattle; D003300:Copper; D003576:Electron Transport Complex IV; D008929:Mitochondria, Heart / Q000201:enzymology; D010084:Oxidation-Reduction; D013053:Spectrophotometry
D003300:Copper; D003576:Electron Transport Complex IV