Keratin, type I cytoskeletal 7 also known as cytokeratin-7 (CK-7) or keratin-7 (K7) or sarcolectin (SCL) is a protein that in humans is encoded by the KRT7 gene. Keratin 7 is a type II keratin. It is specifically expressed in the simple epithelia lining the cavities of the internal organs and in the gland ducts and blood vessels. Synonyms: Polyclonal Cytokeratin 7 antibody, Anti-Cytokeratin 7 antibody, Keratin 7 antibody, CK7 antibody, K2C7 antibody, K7 antibody, MGC129731 antibody, MGC3625 antibody, SCL antibody, KRT7 antibody.