Big dynorphin is an endogenous opioid peptide of the dynorphin family. It forms when a precursor protein prodynorphin is not fully processed, resulting in a 32-amino acid molecule containing both dynorphin A and dynorphin B sequences.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.