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OPRK1 / Kappa Opioid Receptor

opioid receptor, kappa 1

G-protein coupled opioid receptor that functions as receptor for endogenous alpha-neoendorphins and dynorphins, but has low affinity for beta-endorphins. Also functions as receptor for various synthetic opioids and for the psychoactive diterpene salvinorin A. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors, such as adenylate cyclase. Signaling leads to the inhibition of adenylate cyclase activity. Inhibits neurotransmitter release by reducing calcium ion currents and increasing potassium ion conductance. Plays a role in the perception of pain. Plays a role in mediating reduced physical activity upon treatment with synthetic opioids. Plays a role in the regulation of salivation in response to synthetic opioids. May play a role in arousal and regulation of autonomic and neuroendocrine functions.

Gene Name: opioid receptor, kappa 1
Family/Subfamily: GPCR , Opioid
Synonyms: OPRK1, Kappa-type opioid receptor, Opiate receptor, kappa-1, K-OR-1, KOR, Opioid receptor, kappa 1, OPRK, Ork1, Kappa opioid receptor, KOR-1, Opioid receptor kappa
Target Sequences: NM_000912 NP_000903.2 P41145

Publications (2)

1
Kappa opioid receptor antagonists: A possible new class of therapeutics for migraine prevention. Xie JY, De Felice M, Kopruszinski CM, Eyde N, LaVigne J, Remeniuk B, Hernandez P, Yue X, Goshima N, Ossipov M, King T, Streicher JM, Navratilova E, Dodick D, Rosen H, Roberts E, Porreca F. Cephalalgia. 2017 July;37:780-794. [Full Text Article] [PubMed:28376659] [PMC:PMC6085081] Related Antibodies: LS-C380901.
2
The kappa-opioid receptor is upregulated in the spinal cord and locus ceruleus but downregulated in the dorsal root ganglia of morphine tolerant rats. Li XY, Sun L, He J, Chen ZL, Zhou F, Liu XY, Liu RS. Brain research. 2010 Apr;1326:30-9. [Full Text Article] [PubMed:20206145] Related Antibodies: LS-A230.

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OPRK1 / Kappa Opioid Receptor (2)
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OPRK1 / Kappa Opioid Receptor ELISA Kit
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96-Well Strip Plate
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0.781 - 50 ng/ml
Colorimetric - 450nm (TMB)
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1 Plate/$579
OPRK1 / Kappa Opioid Receptor ELISA Kit
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Sandwich
96-Well Microplate
Rat
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
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1 Plate/$646
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The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).