How many amino acids are present in insulin?

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Question

(A) Insulin is a peptide hormone produced by the beta cells of the pancreatic islets. It consists of two polypeptide chains,chain $A$ and chain $B$,wh

Vedclass · Accepted Answer

$51$

Vedclass · Answer

(A) Insulin is a peptide hormone produced by the beta cells of the pancreatic islets. It consists of two polypeptide chains,chain $A$ and chain $B$,which are linked together by disulfide bonds. Chain $A$ contains $21$ amino acids and chain $B$ contains $30$ amino acids. Therefore,the total number of amino acids in insulin is $21 + 30 = 51$.

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