Anti-Cytokeratin 19 antibodies can be readily obtained from commercial sources. The Cytokeratin 19 protein is a reported synonym for the human gene KRT19, encoding keratin 19. The full-length protein is 400 amino acids in length and 44,106 daltons in mass. This protein is a member of the Intermediate filament family. The Cytokeratin 19 antigen is a documented cancer marker. Visit the antibody supplier page for key details, including validated applications and target specificity.