Enzyme Classification 。Oxidoreductase Oxidation-reduction reactions 。Transferase Transfer functional groups 。Hydrolase Hydrolysis 。Lyase Removal of atoms without hydrolysis ·Isomerase Rearrangement of atoms ·Ligase Joining of molecules,uses ATP
• Oxidoreductase Oxidation-reduction reactions • Transferase Transfer functional groups • Hydrolase Hydrolysis • Lyase Removal of atoms without hydrolysis • Isomerase Rearrangement of atoms • Ligase Joining of molecules, uses ATP Enzyme Classification
Factors Influencing Enzyme Activity Enzymes can be denatured by temperature and pH Active (functional)protein Denatured protein Figure 5.6
• Enzymes can be denatured by temperature and pH Factors Influencing Enzyme Activity Figure 5.6
Factors Influencing Enzyme Activity 。Temperature 101520253035404550 Temperature(C) (a)Temperature Figure 5.5a
• Temperature Factors Influencing Enzyme Activity Figure 5.5a
Factors Influencing Enzyme Activity 。pH 2 46 810 PH (b)pH Figure 5.5b
• pH Factors Influencing Enzyme Activity Figure 5.5b
Factors Influencing Enzyme Activity Substrate concentration Substrate concentration- (c)Substrate concentration Figure 5.5c
• Substrate concentration Factors Influencing Enzyme Activity Figure 5.5c