Sources of the catalytic power and specificity of enzymes? 酶催化能力及特异性从何而来？ The catalytic strategies used by four classes of enzymes: 1.serine proteases:丝氨酸蛋白酶 2.carbonic anhydrases碳酸脱水酶 3.restriction endonucleases限制性核酸内切酶 4.Nucleotide Monophosphate Kinases:核苷单磷酸激酶 water to a substrate The mechanism of each enzyme was revealed through the use of incisive experimental probes机制清楚，实验可证明 protein structure determination (Chapter 3) site-directed mutagenesis (Chapter 5).The catalytic strategies used by four classes of enzymes: 1. serine proteases丝氨酸蛋白酶 2. carbonic anhydrases碳酸脱水酶 3. restriction endonucleases限制性核酸内切酶 4. Nucleotide Monophosphate Kinases核苷单磷酸激酶 Sources of the catalytic power and specificity of enzymes? 酶催化能力及特异性从何而来？ The mechanism of each enzyme was revealed through the use of incisive experimental probes 机制清楚，实验可证明 - protein structure determination (Chapter 3) - site-directed mutagenesis (Chapter 5). water to a substrate