KRT6 is an alias for the gene, Keratin 72, type II, in humans. Other names include: Keratin, type II cytoskeletal 72; Cytokeratin-72; CK-72; Keratin-72; K72; Type II inner root sheath-specific keratin-K6irs2; Type-II keratin Kb35; K6IRS2; K6irsIRS2. The encoded protein has an amino acid length of 511 and a mass of 55.9 kDa. KRT6 is a member of the Intermediate filament family. This gene shares homology with other species, including: Mouse, Rat.