dr_singh246
internal medicine pgy2
Topics: 235
Posts: 561
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A sample of purified oligopeptide sequence was treated with cyanogen bromide. The original sequence is NH3—Gly-Arg-Phe-Lys-Met-Asp-Tyr-Ala-Arg-Met-Glu—COO— Which of the following is the appropriate cleavage product?
A. Gly-Arg-Phe-Lys-Met/Asp-Tyr-Ala-Arg-Met/Glu
B. Gly-Arg-Phe/Lys-Met-Asp-Tyr/Ala-Arg-Met-Glu
C. Gly-Arg/Phe-Lys/Met-Asp-Tyr-Ala-Arg-Met-Glu
D. Gly/Arg-Phe-Lys-Met-Asp-Tyr-Ala/Arg-Met-Glu
E. Gly/Arg-Phe-Lys-Met-Asp-Tyr-Ala-Arg-Met-Glu
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| gmc
Forum Newbie
Topics: 1
Posts: 8
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the ans is (A). Cyanogen bromide cleaves peptide bonds at the carboxyl terminal side of Methionines.
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