Ligands of FFAR1 (GPR40) Binding of fatty acid ligands by Free fatty acid receptor 1 (GPR40) Authored: May, B, 2009-06-08 Edited: May, B, 2009-06-08 Free fatty acid receptor 1 (FFAR1), also known as GPR40, is a G-protein coupled receptor located in the plasma membrane of pancreatic beta cells. FFAR1/GPR40 binds medium and long chain free fatty acids (free fatty acids having more than 12 carbon groups). Pubmed12496284 Pubmed12565875 Pubmed12629551 Pubmed16289108 Pubmed17101212 Pubmed18606873 Pubmed19401434 Pubmed19758793 Reactome Database ID Release 43400434 Reactome, http://www.reactome.org ReactomeREACT_19366 Reviewed: Kebede, M, 2009-09-09 Reviewed: Madiraju, MS, 2009-10-02 Reviewed: Poitout, V, 2009-09-09 FFAR1:fatty acid