The International Union of Biochemistry and Molecular Biology have developed a nomenclature for enzymes, the EC numbers; each enzyme is described by a sequence of four numbers preceded by "EC", which stands for "Enzyme Commission".
International Union of Biochemistry and Molecular Biology (IUBMB) har utvecklat en nomenklatur för enzymer, EC-nummer, där varje enzym beskrivs med en sekvens på fyra siffror föregångna av "EC".