Anti-KCNJ4 antibodies are used in the immunodetection of the protein potassium inwardly rectifying channel subfamily J member 4. In humans, the canonical protein has a reported length of 445 amino acid residues and a mass of 49.5 kDa. Its subcellular localization is in the cytoplasmic vesicles and cell membrane. A member of the Inward rectifier-type potassium channel (TC 1.A.2.1) protein family, KCNJ4 is known to be involved with the transport of ions. Synonyms for this target antigen include HIRK2, HRK1, IRK-3, IRK3, Kir2.3, and HIR. KCNJ4 gene orthologs have been reported in the mouse, rat, bovine, frog, chimpanzee and chicken species. A number of KCNJ4 antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. In addition, ELISA is also a common application.