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Chapter 21: Q27P (page 1004)

Draw the resonance contributors of the peptide bond in the less stable configuration.

Short Answer

Expert verified

The amide bonds that link amino acids are called peptide bonds. When the identities of the amino acids in a peptide are known but their sequence is not known, the amino acids are written separated by commas. When their sequence is known, the amino acids are written connected by hyphens.

Step by step solution

01

Step-by-step-solutionStep 1: Peptide bond

The amide bonds that link amino acids are called peptide bonds. When the identities of the amino acids in a peptide are known but their sequence is not known, the amino acids are written separated by commas. When their sequence is known, the amino acids are written connected by hyphens.

02

Less stable configuration of peptide bond

A peptide bond is formed between the carboxyl group of one amino acid and an amino group of another amino acid. The less stable configuration is the cis configuration which is represented as follows:

Peptide bond with less stable configuration

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Most popular questions from this chapter

What aldehyde is formed when valine is treated with ninhydrin?

Calculate the pI of each of the following amino acids:

a.asparagine b. arginine c. serine d. aspartate

The aldonic acid of D-glucose forms a five-membered-ring lactone. Draw its structure.

a. How many different octapeptides can be made from the 20 naturally occurring amino acids?

b. How many different proteins containing 100 amino acids can be made from the 20 naturally occurring amino acids?

Do any other amino acids in Table 21.2 have more than one asymmetric center?
See all solutions

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