claudin-18 (CLDN18)
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Function
- plays a major role in tight junction-specific obliteration of the intercellular space, through Ca+2-independent cell-adhesion activity (putative)
Structure
- belongs to the claudin family
Compartment
- cell junction, tight junction
- cell membrane; multi-pass membrane protein
Alternative splicing
named isoforms=2; A1, A2
Expression
- concentrated at the cell-cell borders of epithelial cells