Anti-IQCK antibodies are used in the immunodetection of the protein IQ motif containing K. In humans, the canonical protein has a reported length of 287 amino acid residues and a mass of 33.3 kDa. Up to 3 different isoforms have been reported for this protein. It is notably widely expressed in many tissue types. Synonyms for this target antigen include IQ domain-containing protein K. IQCK gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. Some IQCK antibodies may have been used in research and have associated citations. Immunofluorescence is a widely used application for these antibodies. Western Blot and Immunohistochemistry are also common applications.