Mouse anti-Human pan Cytokeratin monoclonal antibody for IHC-P, IHC-Fr. Cytokeratins, a group comprising at least 29 different proteins, are characteristic of epithelial and trichocytic cells. Cytokeratins 1, 4, 5, 6, and9are members of the type II neutral to basic subfamily. Monoclonal anti cytokeratins are specific markers