Gene Information
Gene NameTJP3
OrganismHomo sapiens (Human)
Gene Length919
Protein NamesTight junction protein ZO-3 (Tight junction protein 3) (Zona occludens protein 3) (Zonula occludens protein 3)
Target NameNA
Target TypeNA
Gene Age886 ( ENSG00000105289 )
Evolutionary StageVertebrata
AlphaFoldDBO95049
Gene CardTJP3
Uniprot IDO95049
PfamPF00625; PF00595; PF07653
In ASDno
Allosteric Predictionno (-1.000087219)
Ortholog in AnimalsAlpaca_ TJP3 ( ortholog_one2one )
Dog_ TJP3 ( ortholog_one2one )
Macaque_ TJP3 ( ortholog_one2one )
Mouse_ Tjp3 ( ortholog_one2one )
Pig_ TJP3 ( ortholog_one2one )
Rat_ Tjp3 ( ortholog_one2one )
OhnologsTJP1, TJP2
ParalogsDLG5, TJP2, TJP1
Tissueappendix, colon, gall.bladder, lung, parotid.gland, seminal.vesicle, submandibular.gland, vas.deferens, small.intestine
Tissue SpecificityNA
Pharmacological Animal Models0.000730(Chimpanzee);NULL(Mouse);NULL(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 3KFV  (X-ray  2.80A 
DBSNP rs1046268 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:21411630};
Peripheral membrane protein {ECO:0000269|PubMed:21411630};
Cytoplasmic side {ECO:0000269|PubMed:21411630}. Cell junction, tight junction {ECO:0000269|PubMed:21411630, ECO:0000269|PubMed:23608536}. Nucleus {ECO:0000269|PubMed:23608536}. Note=Exhibits predominant nuclear expression in proliferating cells but is exclusively junctionally expressed after confluence is reached (PubMed:23608536). Shows an epithelial-specific tight junction localization in a TJP1/TJP2-dependent fashion (By similarity). {ECO:0000250|UniProtKB:Q9QXY1, ECO:0000269|PubMed:23608536}.
Mouse PG classificationNA
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