gel electrophoretic analysis of tumor cytoskeletons showed an unusual complex pattern of cytokeratin polypeptides containing relatively large ( mr 68,000 and mr 58,000 ) neutral-to-slightly basic cytokeratins , as are typically found in epidermis and other stratified squamous epithelia , as well as several smaller acidic cytokeratins , including a mr 40,000 polypeptide found in certain nonstratified epithelial such as colon and small intestine .
C0010803
cytokeratin
C1179973
basic cytokeratins