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Protein function

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Protein function

  1. 1. An overview Protein Function
  2. 2. Protein Function <ul><li>Structural support – collagen </li></ul><ul><li>Storage – albumin (egg white) </li></ul><ul><li>Transport – hemoglobin </li></ul><ul><li>Hormonal – insulin </li></ul><ul><li>Receptor – nerve cell receptors </li></ul><ul><li>Contractile – actin & myosin </li></ul><ul><li>Defensive – antibodies </li></ul><ul><li>Enzymatic – digestive enzymes </li></ul>
  3. 3. Structural: Collagen http://www.fei.com/uploadedImages/Images/Image_Gallery/collagen_fibrils_from_knee_joint_capsule_157_lg.jpg http://www.orthoteers.com/images/uploaded/collagen1.jpg
  4. 4. Storage: Albumin http://160.114.99.91/astrojan/protein/pictures/albumin.gif
  5. 5. Storage: Albumin http://www.newcenturypharm.com/picts/albuminrotate.gif
  6. 6. Transport: Hemoglobin http://www.sdsc.edu/IOTW/week26/hemoglobin_group.jpg
  7. 7. Transport: Hemoglobin http://www.bio.davidson.edu/Courses/Molbio/MolStudents/spring2005/Heiner/hemoglobin_ribbon_4subunits.jpg
  8. 8. Transport: Hemoglobin http://www.sdsc.edu/IOTW/week26/hemoglobin_group.jpg
  9. 9. Hormonal: Insulin http://upload.wikimedia.org/wikipedia/commons/5/57/Human-insulin-hexamer-3D-ribbons.png http://optimumhealthvitamins.com/Portals/0/insulin%20function.jpg
  10. 10. Receptor: Nerve Cell Receptors http://kvhs.nbed.nb.ca/gallant/biology/synapse.jpg
  11. 11. Contractile: Actin & Myosin http://legacy.owensboro.kctcs.edu/gcaplan/anat/notes/api%20notes%20j%20%20muscle%20contraction.htm http://www.artwiredmedia.com/elements/muscle.jpg
  12. 12. Defensive: Antibodies http://iahealth.net/wp-content/uploads/2009/09/antibodies.bmp http://www.biology.arizona.edu/immunology/tutorials/antibody/graphics/antibody.gif
  13. 13. Defensive: Antibodies http://www.mimetibody.com/Antibody.gif
  14. 14. Enzyme: Lysozyme <ul><li>binds molecules on surface bacteria and destroys them </li></ul><ul><li>present in sweat, tears, saliva </li></ul>Fig. 5.17

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