I know that trypsin is used for proteomic studies, but I do not understand why trypsin digestion is necessary/important.
closed as unclear what you're asking by anongoodnurse, kmm, James, fileunderwater, AliceD♦ Nov 22 '16 at 10:19
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Trypsin digestion allows you to cut proteins into smaller polypeptides, masses of which can be determined by mass spectrometry and then translated back into possible amino acid sequences. Trypsin cleaves after specific amino acids. Altogether, this allows you to identify proteins.