Description_x000D_ Amino Acid Sequence_x000D_ Phe-Ser-Leu-Leu-Arg-Tyr-NH2 trifluoroacetate salt_x000D_ Packaging_x000D_ 1 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ FSLLRY-NH2 is a peptide antagonist of the protease activated receptor 2 (PAR2). The peptide blocks agonist induced itching in rodent models. In cell based assays, the peptide inhibits agonist-induced cardiocyte remodeling, and production of cytokines by endothelial cells.