A polypeptide component of insulin containing 21 amino acyl residues, beginning with a glycyl residue (NH2-terminus); insulin is formed by the linkage of an A chain to a B chain by two disulfide bonds; the amino-acid composition of the A chain is a function of species.

Synonyms: glycyl chain.

In general, one of the polypeptides in a multiprotein complex.

(05 Mar 2000)

acetyltransferases, acetyl value, ACF, ACF/NCP < Prev | Next > achalasia, Achard, E. Charles, Achard syndrome

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