Dynorphin A is a
dynorphin, an
endogenous
Endogenous substances and processes are those that originate from within a living system such as an organism, tissue, or cell.
In contrast, exogenous substances and processes are those that originate from outside of an organism.
For example, es ...
opioid peptide with the
amino acid sequence: Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys.
Dynorphin A
1–8 is a truncated form of dynorphin A with the amino acid sequence: Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile.
Dynorphin A
1–8 is an agonist at the mu-, kappa-, and delta-
opioid receptors;
it has the highest binding affinity for the
kappa-opioid receptor.
References
Neuropeptides
Kappa-opioid receptor agonists
Opioid peptides
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