enzymes

enzymes - Amino Acids, Proteins, and Enzymes Enzymes Enzyme...

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1 Amino Acids, Proteins, and Enzymes Enzymes Enzyme Action Factors Affecting Enzyme Action Enzyme Inhibition
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2 Enzymes Catalysts for biological reactions Most are proteins Lower the activation energy Increase the rate of reaction Activity lost if denatured May be simple proteins May contain cofactors such as metal ions or organic (vitamins)
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3 Name of Enzymes End in – ase Identifies a reacting substance sucrase – reacts sucrose lipase - reacts lipid Describes function of enzyme oxidase – catalyzes oxidation hydrolase – catalyzes hydrolysis Common names of digestion enzymes still use – in pepsin, trypsin
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4 Classification of Enzymes Class Reactions catalyzed Oxidoreductoases oxidation-reduction Transferases transfer group of atoms Hydrolases hydrolysis Lyases add/remove atoms to/from a double bond Isomerases rearrange atoms Ligases combine molecules using ATP
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5 Examples of Classification of Enzymes Oxidoreductoases oxidases - oxidize ,reductases – reduce Transferases transaminases – transfer amino groups kinases – transfer phosphate groups Hydrolases proteases - hydrolyze peptide bonds lipases – hydrolyze lipid ester bonds Lyases carboxylases – add CO 2 hydrolases – add H 2 O
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6 Learning Check E1 Match the type of reaction with the enzymes: (1) aminase (2) dehydrogenase (3) Isomerase (4)
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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enzymes - Amino Acids, Proteins, and Enzymes Enzymes Enzyme...

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