Apelin receptor

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).


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The apelin receptor (nomenclature as agreed by the NC-IUPHAR Subcommittee on the apelin receptor [14]) responds to apelin, a 36 amino-acid peptide derived initially from bovine stomach. Apelin-36 (APLN, Q9ULZ1), apelin-13 (APLN, Q9ULZ1) and [Pyr1]apelin-13 (APLN, Q9ULZ1) are the predominant endogenous ligands which are cleaved from a 77 amino-acid precursor peptide (APLN, Q9ULZ1) by a so far unidentified enzymatic pathway [15]. A second family of peptides discovered independently and named Elabela [3] or Toddler, that has little sequence similarity to apelin, has been proposed as a second endogenous apelin receptor ligand [13].


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NC-IUPHAR subcommittee and family contributors

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How to cite this family page

Database page citation:

Anthony P. Davenport, Matthias Kleinz, Janet J. Maguire, Peiran Yang. Apelin receptor. Accessed on 07/10/2015. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=7.

Concise Guide to PHARMACOLOGY citation:

Alexander SPH, Benson HE, Faccenda E, Pawson AJ, Sharman JL, Spedding M, Peters JA and Harmar AJ, CGTP Collaborators. (2013) The Concise Guide to PHARMACOLOGY 2013/14: G Protein-Coupled Receptors. Br J Pharmacol. 170: 1459–1581.