Question

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

Short answer

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

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.

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