Cleavage of a peptide by cyanogen bromide and trypsin produces the following fragments. What is the sequence of the peptide?
Cyanogen Bromide Trypsin
1. GFRLYSCWDEM 1. VSERPDMAEK
2. AEKCDEHM 2. LYSCWDEMK
3. KVSERPDM 3. SRPFMGFR
4. KDMPFM 4. DMPFMK
5. SRPFM 5. CDEHMR
6. R