7.1.1.3	copper	the enzyme contains a copper ion in subunit I	714997	
7.1.1.3	copper	the enzyme contains CuB	715399	
7.1.1.3	copper	the enzyme has a CuB site	714169	
7.1.1.3	copper	the enzyme is a four-subunit heme-copper oxidase containing CuB	716311	
7.1.1.3	copper	the enzyme is a heme-copper terminal oxidase	715000	
7.1.1.3	copper	the high-spin heme is magnetically coupled to a copper, CuB, forming a binuclear center which is the site of oxygen reduction to water	714132	
7.1.1.3	Cu	copper-containing enzyme	714308	
7.1.1.3	Cu2+	contains copper	741988, 742754	
7.1.1.3	Cu2+	the enzyme contains 6.78 nmol copper per mg of protein	714141	
7.1.1.3	Cu2+	the oxidase contains copper atoms	714285