Find the net total charge of a protein at pH7 and pH2

What is the net total charge on the following protein at pH7 and at pH2? Two answers
Lys-Glu-Phe-Lys

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Primary structure of glucagon - which would be inside of protein - GLucagon His-ser-glu-gly-thr-phe-thr-ser-asp-tyr-ser-lys-tyr-leu-asp-ser-arg-arg-ala-gln-asp-phe-val-gln-trp-leu-met-asn-thr Which of the amino acids in the molecule would you expect to be on th ...
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CHM - (See attached file for full problem description)
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