試題詳解

6. All of the statements about the peptide val-asp-trp-asn-ser are correct EXCEPT:
(A) This peptide would show a strong absorption band at 280 nm.
(B) Reaction with chymotrypsin would yield two peptides.
(C) To synthesize this peptide using the solid phase method of Merrifield, the amino acid directly attached to the resin would be serine.
(D) After the second round of Edman degradation using the reagent PITC, the PTH-amino acid residue released would be PTH-asp.
(E) The peptide is resistant to trypsin.