Enzymes are potent. Turnover number(kat):the number of substrate molecules converted to product by one enzyme molecule per second when the enzyme is fully saturated. Enzyme Turnover Number [sec]* Carbonic anhydrase 600,000 Catalase 80,000 Acetylcholinesterase 25,000 Triose phosphate isomerase 4,400 a-Amylase 300 Lactate dehydrogenase(muscle) 200 Chymotrypsin 100 Aldolase 11 Lysozyme 0.5 Fructose 2,6-bisphosphatase 0.1 11Enzymes are potent. 11 Turnover number (kcat): the number of substrate molecules converted to product by one enzyme molecule per second when the enzyme is fully saturated