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Understanding Protein Structure  Gabrielle Roberts  Biology Department, Long Island University, Brooklyn, NY
Introduction  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PROTEINS   ,[object Object]
[object Object],[object Object]
Chemical Reactions:  Enzymes   Cell Signaling:  Hormones   Transport:  Red Blood cells   Immunity:  Antibodies
[object Object],[object Object]
Muscle Tissues:  Actin and  Myosin Hair & Nails:  Keratin Cytoskeleton: Microtubules, intermediate filaments, microfilaments   Collagen “fibrous protein”: bones, tendons,
Basic Protein Structure   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Polypeptide formation  ,[object Object]
[object Object],[object Object],[object Object]
Protein Folding Patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Secondary Structure  ,[object Object],[object Object],[object Object],[object Object]
Alpha Helix   ,[object Object],[object Object],[object Object]
Beta pleated sheet   ,[object Object]
Alpha & Beta: Working Together  The green fluorescent protein :   Composed of  Beta pleated sheets  (in yellow) which forms the outside structure of the protein and an  alpha helix   structure in the interior of the protein (in purple ).
Tertiary Structure  ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Quaternary Structure  ,[object Object],[object Object]
Quaternary Protein: Antibody  Light chain & Heavy Chain connected by di-sulfide bonds

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A QUICK GLANCE AT PROTEIN STRUCTURE

  • 1. Understanding Protein Structure Gabrielle Roberts Biology Department, Long Island University, Brooklyn, NY
  • 2.
  • 3.
  • 4.
  • 5. Chemical Reactions: Enzymes Cell Signaling: Hormones Transport: Red Blood cells Immunity: Antibodies
  • 6.
  • 7. Muscle Tissues: Actin and Myosin Hair & Nails: Keratin Cytoskeleton: Microtubules, intermediate filaments, microfilaments Collagen “fibrous protein”: bones, tendons,
  • 8.
  • 9.  
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16. Alpha & Beta: Working Together The green fluorescent protein : Composed of Beta pleated sheets (in yellow) which forms the outside structure of the protein and an alpha helix structure in the interior of the protein (in purple ).
  • 17.
  • 18.
  • 19.  
  • 20.
  • 21. Quaternary Protein: Antibody Light chain & Heavy Chain connected by di-sulfide bonds