Keratin, Type I Cytoskeletal 9

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Keratin, type I cytoskeletal 9 (623 aa, ~62 kDa) is encoded by the human KRT9 gene. This protein is involved in keratinization of the palmar and plantar epidermis.

**Synonyms:** - CK-9 - Cytokeratin 9 - Cytokeratin-9 - K9 - KRT9 - Keratin 9 - Keratin-9