“…Some keratins, such as K32, K40 and K82 are found exclusively in the cuticle. Others, including K31, K33a, K34, K36, K37, K38, K81, K83 and K86, are restricted to the cortex, and K35, K39 and K85 are expressed in both fibre cell lines [8][9][10][11] . Like keratins, a large number of fibre-specific KAPs (79 of them in sheep; Z.…”