Chapter 4: Q12. (page 95)
Circle the chiral carbons in the following compounds:
Short Answer
Chiral carbons are circled in the three compounds:
Chapter 4: Q12. (page 95)
Circle the chiral carbons in the following compounds:
Chiral carbons are circled in the three compounds:
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Get started for freeThe 20 standard amino acids are calledα-amino acids. Certainβ-amino acids are found in nature. Draw the structure ofβ-alanine(3-amino-n-propionate).
Over time, the glutamine residues of polypeptides are susceptible to deamidation, a reaction in which the amide group is replaced by a carboxylate group. What amino acid is produced when glutamine is deamidated?
Glutamate, a 5-carbon amino acid, is the precursor of three otheramino acids that contain a 5-carbon chain. Identify these amino acids.
Describe how each of the amino acid modifications shown in Fig. 4-14 would affect theof a peptide containing that modified amino acid residue.
Draw a Cys–Gly–Asn tripeptide. Identify the peptide bond and the N- and C-termini, and determine the peptide’s net charge at neutral pH.
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