Organic Chemistry 354 Quiz - December 4, 1997
Dr. Sundin
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- A nonapeptide gave the following amino acids on complete hdrolysis:
- Ala = 2; Gly = 2; Phe = 1; Pro = 2; and Ser = 2.
- Edman degradation
gave Gly while carboxypeptidase A gave Ser. Partial hydrolysis gave
a complex mixture from which only five tripeptides (see below)
were isolated. Give the structure of the nonapeptide.
- tripeptides:
- Ala-Ala-Pro
- Gly-Ser-Pro
- Pro-Ala-Ala
- Pro-Phe-Ser
- Ser-Pro-Ala
- Answer
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