A polypeptide component of insulin containing 30 amino acyl residues, beginning with a phenylalanyl residue (NH2-terminus); insulin is formed by the linkage of a B chain to an A chain by two disulfide bonds; the amino-acid composition of the B chain is a function of species.

Synonyms: phenylalanyl chain.

(05 Mar 2000)

B-cell stimulatory factor 2, BCG, BcgI methyltransferase, BCG vaccine < Prev | Next > B chromosome, BCL, bcl, bcl-2

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