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A Heptapeptide Ala2,Glu,Phe,Pro,Tyr,Val Gives Labeled Alanine When Heated with DNFB

question 84

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A heptapeptide Ala2,Glu,Phe,Pro,Tyr,Val gives labeled alanine when heated with DNFB followed by hydrolysis.On partial hydrolysis the unlabeled heptapeptide gives the following: Ala·Glu,Pro·Tyr,Ala·Val,Tyr·Ala,Val·Phe·Pro.
What is the amino acid sequence of the heptapeptide?


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