Chapter 4: Q17. (page 95)
Which amino acids have side chains that are capable of forming Isopeptide bonds?
Short Answer
The amino acids Lysine, Aspartic acid, and Glutamic acid are capable of forming Isopeptide bonds.
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Chapter 4: Q17. (page 95)
Which amino acids have side chains that are capable of forming Isopeptide bonds?
The amino acids Lysine, Aspartic acid, and Glutamic acid are capable of forming Isopeptide bonds.
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Circle the chiral carbons in the following compounds:

Taurine (2-aminoethanesulfonic acid) is sometimes called an amino acid.
(a) Explain why this designation is not valid. (b) From which of the 20 standard amino acids is taurine derived? Describe the chemical change(s) that occurred.
Draw the structure of Lys and Ala linked by an Isopeptide bond.
The 20 standard amino acids are calledα-amino acids. Certainβ-amino acids are found in nature. Draw the structure ofβ-alanine(3-amino-n-propionate).
Classify the 20 standard amino acids by polarity, structure, type of functional group, and acid-base properties.
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