Gene Information
Gene NameGJB4
OrganismHomo sapiens (Human)
Gene Length266
Protein NamesGap junction beta-4 protein (Connexin-30.3) (Cx30.3)
Target Namegap junction beta-4 protein
Target TypeLiterature-reported target
Gene Age645 ( ENSG00000189433 )
Evolutionary StageEumetazoa
AlphaFoldDBQ9NTQ9
Gene CardGJB4
Uniprot IDQ9NTQ9
PfamPF00029
In ASDno
Allosteric Predictionno (-0.711455925)
Ortholog in AnimalsAlpaca_ GJB4 ( ortholog_one2one )
Dog_ GJB4 ( ortholog_one2one )
GuineaPig_ GJB4 ( ortholog_one2one )
Macaque_ GJB4 ( ortholog_one2one )
Mouse_ Gjb4 ( ortholog_one2one )
Pig_ GJB4 ( ortholog_one2one )
Rat_ Gjb4 ( ortholog_one2one )
Rabbit_ GJB4 ( ortholog_one2one )
OhnologsGJB6, GJB7, GJB2, GJB1
ParalogsGJB5, GJB3, GJB7, GJB1, GJB2, GJB6, GJA4, GJA1, GJA8, GJA5, GJA3, GJA10, GJA9, GJD2, GJD3, GJC3, GJC2, GJC1, GJD4, GJE1
Tissueskin, zone.of.skin, lower.leg.skin, suprapubic.skin
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs80358211  rs80358212  rs80358210  rs9426009  rs140996335  rs80358206  rs148710003  rs79193415  rs80358213  rs3738346 
Subcellular location [CC]Cell membrane {ECO:0000250|UniProtKB:Q02738};
Multi-pass membrane protein {ECO:0000250|UniProtKB:Q02738}. Cell junction, gap junction {ECO:0000250|UniProtKB:Q02738}. Note=Colocalizes with GJB2 at gap junction plaques in the cochlea. {ECO:0000250|UniProtKB:Q02738}.
Mouse PG classificationNA
click here to return to the previous page