Question

Calculate the net charge on the following tetrapeptides. Asp-Arg-Ser-Pro Trp-Gln-Ile-Lys Cys-Asn-Glu-Tyr Which peptide will be retained...

Calculate the net charge on the following tetrapeptides.

Asp-Arg-Ser-Pro

Trp-Gln-Ile-Lys

Cys-Asn-Glu-Tyr

Which peptide will be retained the longest on a cation-exchange column at pH 7?

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