PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25131623-1 2015 The free fatty acid receptors (FFA) 1 (previously designated GPR40) and FFA4 (previously GPR120) are two GPCRs activated by saturated and unsaturated longer-chain free fatty acids. Fatty Acids, Nonesterified 163-179 free fatty acid receptor 4 Homo sapiens 89-95