# Deduce the sequence of a heptapeptide that contains the amino acids Met, Gln, Phe, Leu, Cys,...

###### Question:

Deduce the sequence of a heptapeptide that contains the amino acids Met, Gln, Phe, Leu, Cys, Val, and Arg, from the following experimental data. Edman degradation cleaves Cys from the heptapeptide, and carboxypeptidase forms Gln and a hexapeptide. Treatment of the heptapeptide with chymotrypsin forms a hexapeptide and a single amino acid. Treatment of the heptapeptide with trypsin forms a pentapeptide and a dipeptide. Partial hydrolysis forms Gln, Cys, Phe, and the tripeptides Leu-Met-Val and Met-Val-Arg.

Be sure to answer all parts. Deduce the sequence of a heptapeptide that contains the amino acids Met, Gln, Phe, Leu, Cys, Val, and Arg, from the following experimental data. Edman degradation cleaves Cys from the heptapeptide, and carboxypeptidase forms Gln and a hexapeptide. Treatment of the heptapeptide with chymotrypsin forms a hexapeptide and a single amino acid. Treatment of the heptapeptide with trypsin forms a pentapeptide and a dipeptide. Partial hydrolysis forms Gln, Cys, Phe, and the tripeptides Leu-Met-Val and Met-Val-Arg. (select).-ו (select),-(select) ס H (select) ס H (select) ס H (select) ס H (select) ס

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