Anti-Fucosyltransferase 9 antibodies are used for the immunodetection of the protein encoded by the FUT9 gene. In humans, the canonical protein has a reported length of 359 amino acid residues and a mass of 42.1 kDa. Its subcellular localization is in the Golgi. A member of the Glycosyltransferase 10 protein family, it is known to be involved with carbohydrate metabolism and homeostasis and the regulation of cell differentiation. Other names for this target antigen include 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase 9, alpha-(1,3)-fucosyltransferase 9, fucT-IX, fucosyltransferase 9 (alpha (1,3) fucosyltransferase), and Fuc-TIX. Gene orthologs have been identified in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. Some Fucosyltransferase 9 antibodies may have been used in research and have associated citations. Immunofluorescence is a widely used application for these antibodies. Western Blot, Immunocytochemistry, and Immunohistochemistry are also common applications.