Anti-FFAR1 antibodies are used in the immunodetection of the protein free fatty acid receptor 1. In humans, the canonical protein has a reported length of 300 amino acid residues and a mass of 31.5 kDa. Its subcellular localization is in the cell membrane. It is notably expressed in the brain and pancreas. A member of the G-protein coupled receptor 1 protein family, FFAR1 is known to be involved with GPCR signaling pathways and carbohydrate metabolism and homeostasis. Post-translational modifications have been described, including glycosylation. Synonyms for this target antigen include GPCR40, GPR40, G-protein coupled receptor 40, and FFA1R. FFAR1 gene orthologs have been reported in the mouse, rat, bovine and chimpanzee species. A number of FFAR1 antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. ELISA, Immunofluorescence, and Immunohistochemistry are also common applications.