Gene entry

CLDN18

claudin 18

Chromosome

3

Cytoband

3q22.3

Variants (rsID)

8

CLDN18 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 3 (region 3q22.3). Its official name is “claudin 18”. The reference table lists 8 variants (rsID) for this gene.

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.