Draw the structure of the heptapeptide : H2N- M-A-G-A-N-D-A-COOH
Answer (2)
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Answer:To draw the structure of the heptapeptide H₂N-MAGANDACOOH, we need to represent each amino acid residue and its side chain. Here is a simplified linear representation:1. Methionine (Met, M): - Side chain: CH₃-S-CH₂-COOH2. Alanine (Ala, A): - Side chain: CH₃-CH₃3. Glycine (Gly, G): - Side chain: H4. Asparagine (Asn, N): - Side chain: CH₂-CO-NH₂5. Aspartic acid (Asp, D): - Side chain: CH₂-CO₂H6. Cysteine (Cys, C): - Side chain: CH₂-SH7. Alanine (Ala, A): - Side chain: CH₃-CH₃8. Carboxyl group (COOH): - This is the terminal carboxyl group at the C-terminus of the peptide.Here is the complete sequence with all side chains:```H₂N-CH(NH₂)-CH-COOH-CH(NH₂)-CH-COOH-CH₂-S-CH₂-COOH-CH₃-CH₃-H-CH₂-CO-NH₂-CH₂-CO₂H-CH₂-SH-CH₃-CH₃-COOHEXPLANATION:In a more readable format, separating each amino acid residue:1. Methionine (Met, M): - H₂N-CH(NH₂)-CH-COOH2. Alanine (Ala, A) : - CH₃-CH₃3. Glycine (Gly, G): - H4. Asparagine (Asn, N): - CH₂-CO-NH₂5. Aspartic acid (Asp, D): - CH₂-CO₂H6. Cysteine (Cys, C): - CH₂-SH7. Alanine (Ala, A): - CH₃-CH₃8. Carboxyl group (COOH): - COOHThis sequence represents the heptapeptide H₂N-MAGANDACOOH.
