Topic 2 - Globular and Fibrous proteins

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  • Created by: Phil
  • Created on: 09-05-13 14:39
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  • Proteins
    • Globular proteins
      • polypeptide chain is folded into a compact sphere
      • soluble because of hyrdophilic side chains on the outside of the molecule
        • important for metabolic reactions
          • reactions needed to maintain the life of an organism
      • ENZYMES
        • 3dimensional structure
    • Fibrous proteins
      • not folded but remain in long chains
        • several polypeptide chains can cross link with eachother for extra strength
          • insoluble and important for maintaining structure
            • not folded but remain in long chains
              • several polypeptide chains can cross link with eachother for extra strength
                • insoluble and important for maintaining structure
        • examples
          • collagen (found in blood vessels, bones, cartilage, tendons and skin)
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