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Orphanin FQ(1-11)

Names

[ CAS No. ]:
178249-41-7

[ Name ]:
Orphanin FQ(1-11)

[Synonym ]:
L-Alanine, L-phenylalanylglycylglycyl-L-phenylalanyl-L-threonylglycyl-L-alanyl-N5-(diaminomethylene)-L-ornithyl-L-lysyl-L-seryl-
L-Phenylalanylglycylglycyl-L-phenylalanyl-L-threonylglycyl-L-alanyl-N5-(diaminomethylene)-L-ornithyl-L-lysyl-L-seryl-L-alanine

Biological Activity

[Description]:

Orphanin FQ(1-11), a orphanin FQ or nociceptin (OFQ/N) fragment, is a potent NOP receptor (ORL-1; OP4) agonist, with a Ki of 55 nM. Orphanin FQ(1-11) has no affinity for μ, δ, κ1 and κ3 receptors (Ki>1000 nM). Orphanin FQ(1-11) is analgesic in CD-1 mice[1][2].

[Related Catalog]:

Signaling Pathways >> GPCR/G Protein >> Opioid Receptor
Signaling Pathways >> Neuronal Signaling >> Opioid Receptor
Research Areas >> Neurological Disease

[References]

[1]. Reinscheid RK, et al. Structure-activity relationship studies on the novel neuropeptide orphanin FQ. J Biol Chem. 1996;271(24):14163-14168.

[2]. Rossi GC, et al. Pharmacological characterization of orphanin FQ/nociceptin and its fragments. J Pharmacol Exp Ther. 1997;282(2):858-865.

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Molecular Formula ]:
C49H75N15O14

[ Molecular Weight ]:
1098.212

[ Exact Mass ]:
1097.561768

[ LogP ]:
-2.33

[ Index of Refraction ]:
1.648

Related Compounds