Anti-FFA2R antibodies are used in antigen-specific immunodetection in biological samples. The target FFA2R is a known alias name of the protein free fatty acid receptor 2, encoded by the FFAR2 gene in humans. This 330-amino acid residue protein is a G protein-coupled receptor that is activated by a major product of dietary fiber digestion, the short chain fatty acids (SCFAs), and that plays a role in the regulation of whole-body energy homeostasis and in intestinal immunity. It is localized to the cell membrane of the cell and features glycosylated post-translational modifications. In terms of tissue expression, it is noted to be expressed at relatively high levels in peripheral blood leukocytes and, to lesser extent, in spleen. The term GPR43 is another synonym for FFA2R. Indicated applications for FFA2R antibodies listed below include ELISA, Western Blot, and Immunofluorescence.