18. Amino Acids and Proteins / Primary Protein Structure / Problem 4
Problem 4
Enkephalin is a peptide responsible for regulating pain sensation in the body. There are two forms of enkephalin. One is met-enkephalin, which contains methionine and has the following primary structure: Tyr-Gly-Gly-Phe-Met. Provide the complete structural formula of met-enkephalin.
