Dynorphin B 29 (Leumorphin) (pig) is a petide. Dynorphin B 29 (pig) can interact with multiple receptors in the brain, as well as in isolated tissue systems. Dynorphin B 29 (pig) can be used for the research of immunoreaction[1].
References
[1] P Sanchez-Blazquez, et al. Dynorphin B-29: chemical synthesis and pharmacological properties in opioid systems in vitro. Neuropeptides. 1984 Sep;4(5):369-74. DOI:10.1016/0143-4179(84)90112-4