Tags: Protein.
Keratin 20 often abbreviated CK20 is a protein that in humans is encoded by the KRT20 gene.Keratin 20 is a type I cytokeratin. It is a major cellular protein of mature enterocytes and goblet cells and is specifically found in the gastric and intestinal mucosa.In immunohistochemistry antibodies to CK20 can be used to identify a range of adenocarcinomata arising from epithelia that normally contain the CK20 protein.
