EOG8XKXQ7 GO:0004129 43/117 cytochrome-c oxidase activity molecular_function "Catalysis of the reaction: 4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O." [EC:1.9.3.1] EOG8XKXQ7 GO:0005740 43/117 mitochondrial envelope cellular_component "The double lipid bilayer enclosing the mitochondrion and separating its contents from the cell cytoplasm; includes the intermembrane space." [GOC:ai, GOC:pz] EOG8XKXQ7 GO:0005811 1/117 lipid particle cellular_component "An intracellular non-membrane-bounded organelle comprising a matrix of coalesced lipids surrounded by a phospholipid monolayer. May include associated proteins." [GOC:mah, GOC:tb]