KIN217 Lecture Notes - Lecture 3: Dna Ligase, Isomerase, Exergonic Reaction
7 Oct 2018
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Proteins with catalytic properties: some rna may catalyse (ribozymes) Specific ligand/reaction: can put together or take apart, not changed by the process. Accelerates by decreasing activation energy: cannot change the equilibrium. Enzymes with similar function may use different substrates. Proteolytic enzyme catalyse proteolysis (the hydrolysis of a peptide bond) The specificity of an enzyme is due to the precise interaction of the substrate with the enzyme. Common names that provide little information about the reactions: trypsin. Named for their substrates and reactions: with the suffix ase added, lactase splits lactose into glucose and galactose, alcohol dehydrogenase oxidizes or dehydrogenates ethanol. Systematic name: enzyme commission the entity that developed the classification system, could precisely identify all enzymes, tripeptide aminopeptidases is ec 3. 4. 11. 4. Ec 3. 4: hydrolases that act on peptide bonds. Ec 3. 4. 11: hydrolases that cleave off the amino-terminal amino acid from a polypeptide.
