The Cytokeratin Fragment Antigen 21-1 (CYFRA21-1) Monoclonal Antibody is applicable for the following applications: WB, IHC, ICC, IP. Host: Mouse. Species Reactivity: Human (Homo sapiens). Immunogen: Asp244~Leu400. Accession Number: P08727. Gene ID: 3880. Restrictions: For Research Use Only. Not for use in diagnostic procedures.