KRT80 is a symbol for the gene, Keratin 80, type II, in humans. Other names include: Keratin, type II cytoskeletal 80; Cytokeratin-80; CK-80; Keratin-80; K80; Type-II keratin Kb20; KB20. The encoded protein has an amino acid length of 452 and a mass of 50.5 kDa. Other isoforms may exist. KRT80 is a member of the Intermediate filament family. This gene shares homology with other species, including: Mouse.