United States Biological's Pab Rb x human KRT4 (Keratin, Type II Cytoskeletal 4, Cytokeratin-4, CK-4, Keratin-4, K4, CYK4, Type-II Keratin Kb4, FLJ31692) (APC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot.