DEFINITION

Insulin Aspart is a two-chain peptide containing 51 amino acids. The A-chain is composed of 21 amino acids, and the B-chain is composed of 30 amino acids. It is identical in primary structure to Insulin Human, except that it has an aspartic acid instead of proline at position 28 of the B-chain. As in human insulin, insulin aspart contains two interchain disulfide bonds, and one intrachain disulfide bond.