Anti-SSTR4 antibodies are used in the immunodetection of the protein somatostatin receptor 4. In humans, the canonical protein has a reported length of 388 amino acid residues and a mass of 42 kDa. Its subcellular localization is in the cell membrane. It is notably expressed in fetal and adult brain, lung tissue, stomach, and in lesser quantities in the kidney, pituitary and adrenals. A member of the G-protein coupled receptor 1 protein family, SSTR4 is a known receptor for somatostatin-14. Post-translational modifications have been described, including glycosylation. Synonyms for this target antigen include SS4-R, SS4R, SST4, somatostatin receptor type 4, G-protein coupled receptor, and SS-4-R. SSTR4 gene orthologs have been reported in the mouse, rat, frog, chimpanzee and chicken species. A number of SSTR4 antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. In addition, Immunohistochemistry is also a common application.