- Classes: Membrane and cell surface proteins and peptides
 - Folds: Claudin-like
 - Superfamilies: Claudin-like
 - Families: Claudin
 
Protein Domains:
- Claudin-15
- [A]
 
 - Claudin-19
- [AB]
 
 - L-type calcium channel Gamma-1 subunit
- [ABCD]
 
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
