The number of disulphide linkages present in Insulin are

Question

The number of disulphide linkages present in Insulin are (A) 4 (B) 3 (C) 2 (D) 1

Tardigrade Admin · Accepted Answer

Insulin, a peptide hormone is composed of two peptide chains referred to as the

A

chain and

B

chain.

A

and

B

chains are linked together by two disulphide bonds, and one addition disulphide linkage is formed within the

A

chain. In most species, the

A

chain consists of

21

amino acids and the

B

chain of

30

amino acids.

Q. The number of disulphide linkages present in Insulin are