Review_Levels of Protein Structure

Review_Levels of Protein Structure - structure Protein...

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PROTEINS
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Protein Structure Primary N O C S Histidine Isoleucine Leucine Lysine Methionine =4 =6 =6 =V =5 Peptide Bond (R) Side Chains
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Protein Structure Secondary Alpha (α ) Helices Beta (β ) Sheets Secondary level structures result from hydrogen bonding between the amine and carboxyl groups in the peptide backbone
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Protein Structure Secondary Alpha (α ) Helices Hydrogen Bonds
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Protein Structure Secondary Beta (β ) Sheets Hydrogen Bonding
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Protein Structure Tertiary Final Resulting Structure Tertiary level structures result interactions (e.g. hydrophobic & van der waals) and bonding (e.g. covalent, ionic, hydrogen) between the side chains of the 20 different amino acids * A disulfide bridge is a specific example of covalent bond that determines tertiary
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Unformatted text preview: structure Protein Structure Quaternary Quaternary level structures occurs when individual proteins (or peptides) link together through interactions and bonds to form a larger complex protein. One example is hemoglobin, which is shown here. Protein Questions Structure Determines Function What type of amino acids would you expect to find on the outside? What type of amino acids would you expect to find on the inside? What type of amino acids would you expect to find on the top and bottom? Transmembrane Protein Phospholipids Bilayer Protein Questions What is the original amino acid sequence? V P V P T T Y L K T Y L K K V P L N -K L N -K V P T Y L L K N -...
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Review_Levels of Protein Structure - structure Protein...

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