6 amino acids and protein

6 amino acids and protein - Gener ic st r uct ur e of an L...

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N H 2 C COOH H R Generic structure of an L-amino acid
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N H 3 + C COO- H R Zwitterionic structure of amino acid
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CH 3 H Glycine Alanine C H 3 CH CH 3 Valine C H 3 CH CH 2 CH 3 CH 2 CH C H 3 CH 3 Leucine Isoleucine Hydrophobic side chains Found in internal portions of protein, membrane-spanning structures
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CH 2 OH CH O H CH 3 Serine Threonine CH 2 SH Cysteine S CH 2 CH 2 CH 3 Methionine Hydroxyl and sulfhydryl containing side chains Polar, H-bonding Disulfide bridges Hydrophobic
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C CH 2 CH 2 O O - C CH 2 CH 2 O NH 2 C CH 2 O O - C CH 2 O NH 2 Aspartic Acid Asparagine Glutamic Acid Glutamine Acid and amide side chains Charged polar charged polar
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NH 3 + CH 2 CH 2 CH 2 CH 2 C NH CH 2 CH 2 CH 2 NH 3 + N H Lysine Arginine Basic side chains charged
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CH 2 CH 2 OH CH 2 N H N CH 2 NH Phenylalanine Tyrosine Histidine Tryptophan Ring-containing amino acids COO- CH N H C H 2 CH 2 CH 2 Proline hydrophobic H-bonding
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Neurotransmitters derived by decarboxylation of amino acids glutamate COO- COO- CH 2 CH 2 C N H 3 + H COO- CH 2 CH 2
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6 amino acids and protein - Gener ic st r uct ur e of an L...

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