Keratin, Type II Cytoskeletal 4

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

**Definition:** Keratin, type II cytoskeletal 4 (520 aa, ~56 kDa) is encoded by the human KRT4 gene. This protein is involved in the structure of nonkeratinizing squamous epithelia.

**Synonyms:** - CK-4 - Cytokeratin 4 - Cytokeratin-4 - K4 - KRT4 - Keratin 4 - Keratin-4 - Type-II Keratin Kb4