Clone S124B-38 is reported to be a mouse monoclonal antibody specific to the rat gene, KCNJ12. Another name for the gene is Kir2.2. Suppliers have reported additional species reactivites for the target of this clone, including human and mouse. Indicated applications for antibody clone S124B-38 include Western blot, immunohistochemistry, immunofluorescence, and immunocytochemistry.