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Proteins Structures

Proteins Structures. Primary Structure. Proteins. Primary Structure. Proteins. Sequence of Amino Acids. Proteins. Primary Structure. Proteins. Secondary Structure - Alpha Helix. Secondary Structure of Proteins. Alpha Helix - hydrogen bonds between amide groups.

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Proteins Structures

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  1. Proteins Structures • Primary Structure

  2. Proteins • Primary Structure

  3. Proteins • Sequence of Amino Acids

  4. Proteins • Primary Structure

  5. Proteins • Secondary Structure - Alpha Helix

  6. Secondary Structure of Proteins • Alpha Helix - hydrogen bonds between amide groups.

  7. Secondary Structure of Proteins • Alpha Helix - hydrogen bonds between amide groups.

  8. Proteins • Secondary Structure

  9. Secondary Structure Proteins • Pleated sheet - hydrogen bonds between chains

  10. Shape from Bends, Folds and Loops • Tertiary Structure

  11. Tertiary Structure of Proteins • Hydrogen bonding between side chains • Salt Bridges between side chains

  12. Tertiary Structure of Proteins • Disulfide bonds between the cysteine - SH

  13. Tertiary Structure of Proteins • Hydrophobic - non-polar interactions

  14. Proteins • Primary Structure

  15. Quaternary Structure of Proteins

  16. Quaternary Structure of Proteins • Interaction of two or more chains • Collagen - triple helix

  17. Quaternary Structure of Proteins • Interaction of two or more chains • Insulin - two chains bonded by disulfide

  18. Quaternary Structure of Proteins • Interaction of two or more chains • Insulin - two chains bonded by disulfide

  19. Globular Proteins • Heme and Myoglobin

  20. Globular Proteins • Heme and Myoglobin

  21. Globular Proteins • Hemoglobin - 4 chains, 4 heme groups

  22. Protein Structure • Review the four kinds of structure - simple definitions.

  23. Proteins • Primary Structure

  24. Hydrolysis breaks primary sequence by splitting into amino acids • Review the four kinds of structure - simple definitions.

  25. Denaturation • Review the four kinds of structure - simple definitions.

  26. Denaturation • Review the four kinds of structure - simple definitions.

  27. Denaturation • Disrupt Hydrogen Bonding - alcohol

  28. Denaturation • Disrupt salt bridges - acids and bases

  29. Denaturation • Disrupt disulfide bonds - reducing agents, heavy metals.

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