Formal Name: dynorphin B (swine), trifluoroacetate salt
Purity: ≥95%
Formula Markup: C74H115N21O17 / XCF3COOH
Formula Weight: 1570.8
Notes: Dynorphin B is a 13-residue opioid peptide released from the cleavage of prodynorphin and found widely distributed in the central nervous system.{29497,29499} It acts as a κ1b-opioid receptor agonist (Ki = 1.1 nM) and has been implicated in antinociceptive functions.{29498} Dynorphin B has also been used to prime cardiogenesis in pluripotent embryonic stem cells.{29500}