Gene Gene information from NCBI Gene database.
Entrez ID 2697
Gene name Gap junction protein alpha 1
Gene symbol GJA1
Synonyms (NCBI Gene)
AVSD3CMDRCX43EKVPEKVP3GJALHLHS1HSSODDDPPKCA
Chromosome 6
Chromosome location 6q22.31
Summary This gene is a member of the connexin gene family. The encoded protein is a component of gap junctions, which are composed of arrays of intercellular channels that provide a route for the diffusion of low molecular weight materials from cell to cell. The
SNPs SNP information provided by dbSNP.
35
SNP ID Visualize variation Clinical significance Consequence
rs2227885 G>A Pathogenic, conflicting-interpretations-of-pathogenicity Coding sequence variant, missense variant
rs28931600 G>A Pathogenic Missense variant, coding sequence variant
rs28931601 G>A Pathogenic Missense variant, coding sequence variant
rs104893961 A>C Pathogenic Coding sequence variant, missense variant
rs104893962 T>C Pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
385
miRTarBase ID miRNA Experiments Reference
MIRT001984 hsa-miR-1-3p Luciferase reporter assay 17401374
MIRT001984 hsa-miR-1-3p Luciferase reporter assay 17401374
MIRT001984 hsa-miR-1-3p Luciferase reporter assay 17401374
MIRT001984 hsa-miR-1-3p Luciferase reporter assay 17401374
MIRT001984 hsa-miR-1-3p Luciferase reporter assay 17401374
Transcription factors Transcription factors information provided by TRRUST V2 database.
2
Transcription factor Regulation Reference
JUN Activation 10421804
SP1 Activation 10421804;19679555
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
84
GO ID Ontology Definition Evidence Reference
GO:0000132 Process Establishment of mitotic spindle orientation IMP 30992345
GO:0000139 Component Golgi membrane TAS
GO:0003161 Process Cardiac conduction system development NAS 26786210
GO:0005243 Function Gap junction channel activity IBA
GO:0005243 Function Gap junction channel activity IDA 1696265, 16790700, 23348765, 29366904
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
121014 4274 ENSG00000152661
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P17302
Protein name Gap junction alpha-1 protein (Connexin-43) (Cx43) (Gap junction 43 kDa heart protein)
Protein function Gap junction protein that acts as a regulator of bladder capacity. A gap junction consists of a cluster of closely packed pairs of transmembrane channels, the connexons, through which materials of low MW diffuse from one cell to a neighboring ce
PDB 2LL2 , 7F92 , 7F93 , 7F94 , 7XQ9 , 7XQB , 7XQD , 7XQF , 7XQG , 7XQH , 7XQI , 7XQJ , 7Z1T , 7Z22 , 7Z23 , 8QKO
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00029 Connexin 3 233 Connexin Family
PF03508 Connexin43 293 312 Gap junction alpha-1 protein (Cx43) Family
Tissue specificity TISSUE SPECIFICITY: Expressed at intercalated disks in the heart (at protein level) (PubMed:11741837, PubMed:18662195). Expressed in the fetal cochlea (PubMed:11741837). {ECO:0000269|PubMed:11741837, ECO:0000269|PubMed:18662195}.
Sequence
Sequence length 382
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Gap junction
Arrhythmogenic right ventricular cardiomyopathy
  Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane
Gap junction assembly
Gap junction degradation
Regulation of gap junction activity
Formation of annular gap junctions
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
477
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Anteverted nares Pathogenic rs1057518872 RCV000414769
Atrioventricular septal defect and common atrioventricular junction Likely pathogenic rs1057518960, rs1773903559 RCV001198403
RCV001199063
Autosomal dominant palmoplantar keratoderma and congenital alopecia Pathogenic rs864309644 RCV000185623
Bilateral microphthalmos Pathogenic rs1057518872 RCV000414769
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cervical cancer Conflicting classifications of pathogenicity rs56199702 RCV005899032
Cleft palate Uncertain significance rs138386744 RCV005626443
Craniometaphyseal dysplasia, autosomal recessive Conflicting classifications of pathogenicity rs764670582 RCV000185622
Familial cancer of breast Conflicting classifications of pathogenicity rs56199702 RCV005899030
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
3 Hydroxy 3 Methylglutaryl CoA Lyase Deficiency Associate 23141803
Acidosis Associate 35942675
Acute Disease Inhibit 26446715
Adamantinoma Associate 29444796
Adenocarcinoma Associate 35287344
Adenocarcinoma of Lung Associate 35287344
Amyotrophic Lateral Sclerosis Associate 35312356
Amyotrophic Lateral Sclerosis Stimulate 35312356
Anterior segment mesenchymal dysgenesis Associate 32224865
Arrhythmias Cardiac Associate 16010294, 18085635, 26549284, 35660807