mcb450-4f09

mcb450-4f09 - Chapter 4 Amino Acids Mintel Office Hours...

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Chapter 4 – Amino Acids Mintel Office Hours – Noyes 208 Today, 1:45-3:00
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Fig. 4-1, p. 70 Amino Acids of Proteins
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Fig. 4-2, p. 71 Formation of Peptide Bonds Between Amino Acid Residues
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Groups of Amino Acids Non-polar Val, Ile, Leu, Ala, Phe, Trp, Met Sidechains enter into hydrophobic interactions with one another in the interior of globular proteins.
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Groups of Amino Acids Nonpolar (hydrophobic) Leu, Pro, Ala, Val, Met, Trp, Phe, Ile Have sidechain groups capable of entering into hydrophobic interactions These residues are typically buried in the middle of the structure of a globular protein.
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Fig. 4-3a, p. 72
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Fig. 4-3c (2), p. 73
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Groups of Amino Acids Acidic amino acids Asp, Glu, Have negatively charged carboxylate groups Sidechains of these amino acids are typically on the surface of globular proteins. Sidechains can enter into ionic interactions.
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Fig. 4-3c (1), p. 72
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Basic amino acids Lys, Arg Have positively charged nitrogen atoms. Can enter into ionic interactions.
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mcb450-4f09 - Chapter 4 Amino Acids Mintel Office Hours...

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