Following tetrapeptide can be represented as O O H2N O H N N H CH2 COOH CH2Ph CH2 CH CH3 CH3 O H N C CH2 OH OH (F, L, D. Y, I, Q. P are one letter codes for amino acids) (A) YQLF (B) FLDY (C) FIQY (D)

Question

Following tetrapeptide can be represented as O O H2N O H N N H CH2 COOH CH2Ph CH2 CH CH3 CH3 O H N C CH2 OH OH (F, L, D. Y, I, Q. P are one letter codes for amino acids)

(A) YQLF
(B) FLDY
(C) FIQY
(D) PLDY

Prashant Kotian · Accepted Answer

Correct answer: B. Amino acid chain or peptide chain is often named starting from N terminal ending towards C–Terminal. So FLDY is best combination.

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