Dynorphin A
(Redirected from Dynorphin A1–8)
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| Other names
Dynorphin 1-13
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| Identifiers | |
PubChem CID
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| Properties | |
| C75H126N24O15 | |
| Molar mass | 1603.95474 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dynorphin A is a dynorphin, an endogenous opioid peptide that activates the κ-opioid receptor.[2] Its amino acid sequence is Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys.
Dynorphin A1–8 is a truncated form of dynorphin A with the amino acid sequence: Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile.[3][4] Dynorphin A1–8 is an agonist at the mu-, kappa-, and delta-opioid receptors;[4] it has the highest binding affinity for the kappa-opioid receptor.[4] Structures of dynorphin A bound to the κ-opioid receptor have been reported.[2][5]
References
[edit]- ^ Dynorphin 1-13 - Compound Summary, PubChem.
- ^ a b Wang, Yue; Zhuang, Youwen; DiBerto, Jeffrey F.; Zhou, X. Edward; Schmitz, Gavin P.; Yuan, Qingning; Jain, Manish K.; Liu, Weiyi; Melcher, Karsten; Jiang, Yi; Roth, Bryan L.; Xu, H. Eric (2023-01-12). "Structures of the entire human opioid receptor family". Cell. 186 (2): 413–427.e17. doi:10.1016/j.cell.2022.12.026. PMID 36638794. S2CID 255750597.
- ^ "Dynorphin A 1-8". HMDB Version 4.0. Human Metabolome Database. 27 September 2017. Retrieved 20 October 2017.
- ^ a b c "Dynorphin A-(1-8): Biological activity". IUPHAR/BPS Guide to PHARMACOLOGY. International Union of Basic and Clinical Pharmacology. Retrieved 20 October 2017.
Principal endogenous agonists at κ receptor
- ^ Chen, Yuxiang; Chen, Bo; Wu, Tingting; Zhou, Fangfang; Xu, Fei (2022-08-05). "Cryo-EM structure of human κ-opioid receptor-Gi complex bound to an endogenous agonist dynorphin A". Protein & Cell. 14 (6): 464–468. doi:10.1093/procel/pwac033. ISSN 1674-800X. PMC 10246719. PMID 37285260.
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