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Proteins

Proteins. Functions of proteins: Membrane proteins (look at this later in class) Non-membrane proteins Enzymes : Structural. Transport : Movement : Hormones : Defense : . Two basic types of proteins according to their final shape. Globular proteins – Fibrous proteins –.

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Proteins

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  1. Proteins Functions of proteins: • Membrane proteins (look at this later in class) • Non-membrane proteins • Enzymes: • Structural

  2. Transport: • Movement: • Hormones: • Defense:

  3. Two basic types of proteins according to their final shape • Globular proteins – • Fibrous proteins –

  4. Globular and Fibrous Proteins

  5. Proteins have a complex structure which can be explained by defining four levels of structure. Primary Structure.

  6. Primary Structure example

  7. Secondary Structure

  8. Secondary Structure example Alpha Helix Beta Conformation/ Pleated Sheets

  9. Tertiary Structure

  10. Tertiary Structure examples

  11. Quaternary Structure

  12. Quaternary Structureexample

  13. Movie of protein folding. http://www.johnkyrk.com/aminoacid.html

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