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Orexin receptors C

Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).

Overview

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Orexin receptors (nomenclature as agreed by the NC-IUPHAR Subcommittee on Orexin receptors [7]) are activated by the endogenous polypeptides orexin-A (HCRT, O43612) and orexin-B (HCRT, O43612) (also known as hypocretin-1 and -2; 33 and 28 aa) derived from a common precursor, preproorexin or orexin precursor, by proteolytic cleavage and some typical peptide modifications [33]. Currently the only orexin receptor ligand in clinical use is suvorexant, which is used as a hypnotic. Orexin receptor crystal structures have been solved [37-38].

Receptors

Targets of relevance to immunopharmacology are highlighted in blue

OX1 receptor C Show summary » More detailed page

OX2 receptor C Show summary » More detailed page

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NC-IUPHAR subcommittee and family contributors

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How to cite this family page

Database page citation (select format):

Concise Guide to PHARMACOLOGY citation:

Alexander SPH, Christopoulos A, Davenport AP, Kelly E, Marrion NV, Peters JA, Faccenda E, Harding SD, Pawson AJ, Sharman JL, Southan C, Davies JA; CGTP Collaborators. (2017) The Concise Guide to PHARMACOLOGY 2017/18: G protein-coupled receptors. Br J Pharmacol. 174 Suppl 1: S17-S129.