Anti-STK33 antibodies are used in the immunodetection of the protein serine/threonine kinase 33. In humans, the canonical protein has a reported length of 514 amino acid residues and a mass of 57.8 kDa. Its subcellular localization is in the cytoplasm. Up to 2 different isoforms have been reported for this protein. It is reported to be highly expressed in the testis, fetal lung and heart, followed by pituitary gland, kidney, interventricular septum, pancreas, heart, trachea, thyroid gland and uterus. A member of the CAMK Ser/Thr protein kinase protein family, STK33 is a serine/threonine protein kinase which phosphorylates VIME. Post-translational modifications have been described, including phosphorylation. Synonyms for this target antigen include serine/threonine-protein kinase 33. STK33 gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish and chimpanzee species. Some STK33 antibodies may have been used in research and have associated citations. Western Blot is a widely used application for these antibodies. ELISA, Immunofluorescence, and Immunohistochemistry are also common applications.