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Explain what is meant by salting in and salting out in ammonium sulfate precipitation.
You digest a peptide with the following composition: 4 Val, 4 Ala, 1 Met, 1 Lys, 1 Tyr, and 1 Arg

The CNBr digest yields two fragment, one with the composition AAKRVVVVAYM
The Chymotrypsin digest yields two fragments, one of them is MA
The Trypsin digest yields three fragments, one of them is a R and one of the others is three amino acids long