Gene Information
Gene NameCLDN1
OrganismHomo sapiens (Human)
Gene Length211
Protein NamesClaudin-1 (Senescence-associated epithelial membrane protein)
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000163347 )
Evolutionary StageEumetazoa
AlphaFoldDBO95832
Gene CardCLDN1
Uniprot IDO95832
PfamPF00822
In ASDno
Allosteric Predictionno (-0.471057708)
Ortholog in AnimalsAlpaca_ CLDN1 ( ortholog_one2one )
Dog_ CLDN1 ( ortholog_one2one )
GuineaPig_ CLDN1 ( ortholog_one2one )
Macaque_ CLDN1 ( ortholog_one2one )
Mouse_ Cldn1 ( ortholog_one2one )
Pig_ CLDN1 ( ortholog_one2one )
Rat_ Cldn1 ( ortholog_one2one )
Rabbit_ CLDN1 ( ortholog_one2one )
OhnologsCLDN15, CLDN10, CLDN8, CLDN6, CLDN9, CLDN18, CLDN19
ParalogsCLDN5, CLDN8, CLDN3, CLDN20, CLDN11, CLDN14, CLDN18, CLDN7, CLDN10, CLDN9, CLDN17, CLDN24, CLDN22, CLDN23, CLDN4, CLDN15, CLDN19, CLDN34, CLDN2, CLDN25, CLDN16, CLDN6
TissueNA
Tissue SpecificityStrongly expressed in liver and kidney. Expressed in heart, brain, spleen, lung and testis. {ECO:0000269|PubMed:9931503}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP NA 
Subcellular location [CC]Cell junction, tight junction {ECO:0000269|PubMed:20375010, ECO:0000269|PubMed:23407391}. Cell membrane {ECO:0000269|PubMed:23704991};
Multi-pass membrane protein {ECO:0000255}. Basolateral cell membrane {ECO:0000269|PubMed:20375010}. Note=Associates with CD81 and the CLDN1-CD81 complex localizes to the basolateral cell membrane. {ECO:0000269|PubMed:20375010}.
Mouse PG classificationHPG
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