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Enzymes and Proteins.

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Presentation on theme: "Enzymes and Proteins."— Presentation transcript:

1 Enzymes and Proteins

2 Explain Primary Structure
Order of amino acid chain

3 Explain secondary structure
Folding of amino acid chain Alpha helix & beta pleated sheet Hydrogen bonding

4 Tertiary Structure Specific 3D shape
Hydrophobic and hydrophillic interactions Disulphide bonds Ionic bonds

5 Quaternary Structure Haemoglobin Globular protein

6 Collagen Fibrous protein

7 Enzymes Globular proteins Specific tertiary structure
Catalyse metabolic reactions in living organisms May be intracellular or extracellular

8 Enzyme Action Specificity Active Site Lock and Key hypothesis
Induced fit hypothesis Enzyme-substrate complex Enzyme product complex Lowers activation energy

9 Effects of pH

10 Effects of temperature

11 Effects of enzyme concentration

12 Effects of substrate concentration

13 Competitive Inhibitors

14 Non-competitive inhibitors

15 Cofactors and Coenzymes

16 Metabolic Poisons Enzyme inhibitors

17 Medicinal Drugs Some work by inhibiting the activity of enzymes

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