Refer to the Data Below to Answer the Following Questions

question 29

Essay

Refer to the data below to answer the following questions:

The octapeptide saralasin is a specific antagonist of angiotensin II. A derivative of saralasin is used therapeutically as an antihypertensive. Amino acid analysis of saralasin show the presence of the following amino acids:

Ala, Arg, His, Pro, Sar, Tyr, Val₂

-Refer to instructions. Partial hydrolysis of saralasin with dilute hydrochloric acid yields the following fragments:
Tyr-Val-His
Sar-Arg-Val
His-Pro-Ala
Val-Tyr-Val
Arg-Val-Tyr
What is the structure of saralasin?

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