I. Acetylcholinesterase
II. Adenosine Deaminase
III. Adenylate Cyclase
IV. Alkaline Phosphatase
V. ATP Synthase
VI. Beta-Galactosidase
VII. Carbonic Anhydrase
VIII. Carboxylate Reductase
IX. Cellulase
X. Cytochrome P450 Oxidase
XI. DNA Ligase
XII. Glucose Oxidase
XIII. Glutamine Synthetase
XIV. Glycerol Dehydrogenase
XV. Lactase
XVI. Ligase
XVII. Lipoprotein Lipase
XVIII. Maleate Isomerase
XIX. Nicotinate Dehydrogenase
XX. Pepsin
XXI. Phosphofructokinase
XXII. Pyruvate Carboxylase
XXIII. Pyruvate Dehydrogenase
XXIV. Sucrase
XXV. Superoxide Dismutase
XXVI. Thyroid Peroxidase
XXVII. Tryptophan Synthase
XXVIII. Urease
XXIX. Xanthine Oxidase
XXX. Angiotensin-converting Enzyme 2