In alanylglycylleucylalanylvaline the number of peptide linkages is:

Question

Canvas Classes · Accepted Answer

Identifying the peptide:

"Alanylglycylleucylalanylvaline" = Ala–Gly–Leu–Ala–Val

This is a pentapeptide (5 amino acid residues):
1. Alanine (Ala)
2. Glycine (Gly)
3. Leucine (Leu)
4. Alanine (Ala)
5. Valine (Val)

Number of peptide bonds = n − 1 = 5 − 1 = 4

The four peptide bonds are:
1. Ala–Gly
2. Gly–Leu
3. Leu–Ala
4. Ala–Val

Final Answer: 4

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