Gene Information
Gene NameCLDN9
OrganismHomo sapiens (Human)
Gene Length217
Protein NamesClaudin-9
Target NameNA
Target TypeNA
Gene Age168 ( ENSG00000213937 )
Evolutionary StageEumetazoa
AlphaFoldDBO95484
Gene CardCLDN9
Uniprot IDO95484
PfamPF00822
In ASDno
Allosteric Predictionno (-0.923997575)
Ortholog in AnimalsDog_ CLDN9 ( ortholog_one2one )
GuineaPig_ CLDN9 ( ortholog_one2one )
Mouse_ Cldn9 ( ortholog_one2one )
Pig_ CLDN9 ( ortholog_one2one )
OhnologsCLDN7, CLDN5, CLDN18, CLDN1, CLDN20
ParalogsCLDN1, CLDN5, CLDN8, CLDN3, CLDN20, CLDN11, CLDN14, CLDN18, CLDN7, CLDN10, CLDN17, CLDN24, CLDN22, CLDN23, CLDN4, CLDN15, CLDN19, CLDN34, CLDN2, CLDN25, CLDN16, CLDN6
Tissuecerebellar.hemisphere, cerebellum, pituitary.gland
Tissue SpecificityExpressed in the liver, in peripheral blood mononuclear cells and hepatocarcinoma cell lines. {ECO:0000269|PubMed:17804490}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 6OV2  (X-ray  3.20A  6OV3  (X-ray  3.25A 
DBSNP NA 
Subcellular location [CC]Cell junction, tight junction. Cell membrane {ECO:0000269|PubMed:20375010, ECO:0000269|PubMed:31175426};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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