Thermo Fisher Scientific's Cytokeratin 4 Antibody is a Mouse monoclonal antibody. The Cytokeratin 4 Antibody was generated using Keratin 4, and KRT4 as the antigen. It reacts with Homo Sapiens, Human, Canine, Feline, and Zebrafish/Fish. This antibody has been shown to work in applications such as: Flow Cytometry, Immunocytochemistry, and Western Blot.