Gene Information
Gene NameGJD2
OrganismHomo sapiens (Human)
Gene Length321
Protein NamesGap junction delta-2 protein (Connexin-36) (Cx36) (Gap junction alpha-9 protein)
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000159248 )
Evolutionary StageEumetazoa
AlphaFoldDBQ9UKL4
Gene CardGJD2
Uniprot IDQ9UKL4
PfamPF00029
In ASDno
Allosteric Predictionno (-0.265643041)
Ortholog in AnimalsAlpaca_ GJD2 ( ortholog_one2one )
Dog_ GJD2 ( ortholog_one2one )
GuineaPig_ GJD2 ( ortholog_one2one )
Macaque_ GJD2 ( ortholog_one2one )
Mouse_ Gjd2 ( ortholog_one2one )
Pig_ GJD2 ( ortholog_one2one )
Rat_ Gjd2 ( ortholog_one2one )
Rabbit_ GJD2 ( ortholog_one2one )
OhnologsGJA1P1
ParalogsGJD3, GJA10, GJA9, GJC3, GJA4, GJA1, GJA8, GJA5, GJA3, GJB3, GJB1, GJB2, GJB5, GJB4, GJB6, GJB7, GJC2, GJC1, GJD4, GJE1
Tissuepineal.gland, pituitary.gland
Tissue SpecificityHighly expressed in neurons.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2N6A  (NMR 
DBSNP NA 
Subcellular location [CC]Cell membrane;
Multi-pass membrane protein. Cell junction, gap junction.
Mouse PG classificationNA
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