Structure and Properties of Peptides - Medical Science

Q1:

The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) to produce:

A Val-Lys + Glu-Met-Ser + Trp-Arg-Ala

B Val-Lys-Glu-Met-Ser-Trp + Arg-Ala

C Val-Lys-Glu-Met + Ser-Trp-Arg-Ala

D Val-Lys-Glu + Met-Ser-Trp-Arg-Ala

ANS:C - Val-Lys-Glu-Met + Ser-Trp-Arg-Ala

Cyanogen bromide cleave at carboxyl terminal of metheionine.