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Question: 1 7 amino acid analysis of the peptide gave the...

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1. (7) Amino acid analysis of the peptide gave the following residues: Asp Leu Lys Met Phe Tyr The following facts were observed: Lys/AIQ Trypsin treatment had no effect. NO cleavinag The phenylthiohydantoin released by Edman degradation was a) b) C-C-CH2 Brief chymotrypsin treatment yielded several products including a dipeptide and a tetrapeptide. The tetrapeptide contained Leu, Lys and Met is some order Cyanogen bromide treatment afforded a dipeptide, a tetrapeptide and a free Lys. c) d) What is the amino acid sequence for this heptapeptide?
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