Nomenclature	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=331	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=332
HGNC, UniProt	https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9608, http://www.uniprot.org/uniprot/Q03431	https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9609, http://www.uniprot.org/uniprot/P49190
Potency order of endogenous ligands	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=1785 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9606, http://www.uniprot.org/uniprot/P01270) = http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=3738 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9607, http://www.uniprot.org/uniprot/P12272)	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=1815 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:30828, http://www.uniprot.org/uniprot/Q96A98), http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=1785 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9606, http://www.uniprot.org/uniprot/P01270) ≫ http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=3738 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:9607, http://www.uniprot.org/uniprot/P12272)
Agonists	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=4448 [http://www.ncbi.nlm.nih.gov/pubmed/8702701?dopt=AbstractPlus]	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=1815 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:30828, http://www.uniprot.org/uniprot/Q96A98) [http://www.ncbi.nlm.nih.gov/pubmed/11602681?dopt=AbstractPlus, http://www.ncbi.nlm.nih.gov/pubmed/10854439?dopt=AbstractPlus]
Selective agonists	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=1822) [http://www.ncbi.nlm.nih.gov/pubmed/7896796?dopt=AbstractPlus] – Rat	–