A peptide with the sequence "Glu-Ser-Val-Asp-Lys" will likely be cut next to "Val" rapidly by _______ and very slowly by ____.
(I)chymotrypsin
(II)trypsin
(III)trypsinogen
(IV)elastase
A)I,IV
B)I,II
C)II,III
D)IV,II
E)IV,I

Question

Quizplus · Accepted Answer

Elastase cuts after small, neutral amino acids like Val, while chymotrypsin prefers aromatic residues, which are not present in the sequence.

A Peptide with the Sequence "Glu-Ser-Val-Asp-Lys" Will Likely Be Cut