Claudin-18

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

**Definition:** Claudin-18 (261 aa, ~28 kDa) is encoded by the human CLDN18 gene. This protein plays a role in tight junction formation in the epithelium of the lung.

**Synonyms:** - CLDN-18 - CLDN-18.1 - CLDN18 - CLDN18.1 - Claudin 18 - Claudin 18 Isoform 1 - Claudin 18 Isoform A1 - Claudin 18.1 - Claudin-18 Isoform 1 - Claudin-18 Isoform A1 - Surfactant Associated Protein J