Chemistry · Peptide Sequencing
A tripeptide on treatment with PhNCS (pH = 8.0) followed by heating with dilute HCl afforded a cyclic compound M and a dipeptide. The dipeptide on treatment with PhNCS (pH = 8.0) followed by heating with dilute HCl afforded a cyclic compound N and an acyclic compound O. The CORRECT sequence (from N- to C-terminus) of the tripeptide is:
- 1glycine-phenylalanine-alanine
- 2glycine-tyrosine-valine
- 3valine-phenylalanine-glycine
- 4glycine-phenylalanine-valine✓
Correct answer
glycine-phenylalanine-valine
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