Not available outside of the UK & Ireland.

Amino Acid Sequence

Tyr-Pro-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn-Arg-Tyr-Tyr-Ala-Ser-Leu-Arg-His-Tyr-Leu-Asn-Leu-Val-Thr-Arg-Pro-Arg-Tyr-NH2

Biochem/physiol Actions

Peptide YY (PYY) is involved in the modulation of gut motility, food intake and insulin secretion and is associated with obesity and type 2 diabetes. It may possess systemic and paracrine functions. NPY agonist with a preference for the Y1 and Y5 subtypes.

General description

Peptide YY (PYY) is synthesized by L cells in the mucosa of the distal ileum, colon, and rectum. It is mainly expressed by peripheral blood mononuclear cells. Peptide YY is located on human chromosome 17q21.