Gene Gene information from NCBI Gene database.
Entrez ID 2705
Gene name Gap junction protein beta 1
Gene symbol GJB1
Synonyms (NCBI Gene)
CMTXCMTX1CX32
Chromosome X
Chromosome location Xq13.1
Summary This gene encodes a member of the gap junction protein family. The gap junction proteins are membrane-spanning proteins that assemble to form gap junction channels that facilitate the transfer of ions and small molecules between cells. According to sequen
SNPs SNP information provided by dbSNP.
127
SNP ID Visualize variation Clinical significance Consequence
rs104894810 C>T Pathogenic Coding sequence variant, missense variant
rs104894811 C>G,T Pathogenic, uncertain-significance Coding sequence variant, missense variant
rs104894812 G>A Pathogenic, uncertain-significance Coding sequence variant, missense variant
rs104894813 T>C Pathogenic Coding sequence variant, missense variant
rs104894814 C>G,T Pathogenic, uncertain-significance Coding sequence variant, stop gained, missense variant
miRNA miRNA information provided by mirtarbase database.
132
miRTarBase ID miRNA Experiments Reference
MIRT018652 hsa-miR-335-5p Microarray 18185580
MIRT713553 hsa-miR-4686 HITS-CLIP 19536157
MIRT713554 hsa-miR-4469 HITS-CLIP 19536157
MIRT713552 hsa-miR-7113-3p HITS-CLIP 19536157
MIRT713551 hsa-miR-4287 HITS-CLIP 19536157
Transcription factors Transcription factors information provided by TRRUST V2 database.
4
Transcription factor Regulation Reference
EGR2 Unknown 11493034
SOX10 Activation 15470753
SOX10 Repression 16494873;21918739
SOX10 Unknown 11734543
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
19
GO ID Ontology Definition Evidence Reference
GO:0005243 Function Gap junction channel activity IBA
GO:0005243 Function Gap junction channel activity TAS
GO:0005515 Function Protein binding IPI 32296183
GO:0005737 Component Cytoplasm IEA
GO:0005789 Component Endoplasmic reticulum membrane TAS
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
304040 4283 ENSG00000169562
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P08034
Protein name Gap junction beta-1 protein (Connexin-32) (Cx32) (GAP junction 28 kDa liver protein)
Protein function One 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 cell.
PDB 5KK9 , 7ZXM , 7ZXN , 7ZXO , 7ZXP , 7ZXQ , 7ZXT , 8QJF , 8QJH , 8QK6 , 8QKI
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00029 Connexin 2 214 Connexin Family
Sequence
Sequence length 283
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  Reactome
    Oligomerization of connexins into connexons
Gap junction assembly
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
39
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Charcot-Marie-Tooth disease Likely pathogenic; Pathogenic rs786204095, rs786204123, rs863224613, rs779696968, rs863224471, rs863224971, rs863224972, rs116840821, rs879254012, rs879253935, rs879254096, rs756000896, rs879253909, rs879254099, rs104894812
View all (77 more)
RCV000789271
RCV000789950
RCV000789860
RCV000790300
RCV000789836
View all (93 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Charcot-Marie-Tooth disease X-linked dominant 1 Pathogenic; Likely pathogenic rs2092543877, rs483352926, rs2147946493, rs11551260, rs2147946914, rs587777877, rs587777878, rs587777876, rs2147946047, rs1602349468, rs2092541958, rs863224974, rs786204123, rs879254098, rs756928158
View all (87 more)
RCV001329667
RCV000083303
RCV001799555
RCV003336450
RCV003447328
View all (104 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Charcot-Marie-Tooth Neuropathy X Pathogenic; Likely pathogenic rs2092543877, rs1602348519, rs2147946234, rs2147945690, rs2147945283, rs2147946194, rs11551260, rs2147945660, rs2147946105, rs2147946319, rs2147946914, rs2147945853, rs587777877, rs587777878, rs587777876
View all (134 more)
RCV005094410
RCV001388320
RCV001389524
RCV001931693
RCV001988871
View all (149 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Dejerine-Sottas disease Pathogenic rs104894826 RCV000011197
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
CARCINOMA, HEPATOCELLULAR CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CARCINOMA, RENAL CELL CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cerebellar ataxia Conflicting classifications of pathogenicity ClinVar
Disgenet
★★★☆☆
Reported in Unknown/Other Associations (≥2 sources)
CHARCOT-MARIE-TOOTH DISEASE, X-LINKED DOMINANT, 1 HPO
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma Adenocarcinoma BEFREE 12118378, 17016607, 21082351
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma BEFREE 17016607, 17569045
★☆☆☆☆
Found in Text Mining only
Adenoma Adenoma CTD_human_DG 16926031
★☆☆☆☆
Found in Text Mining only
Adenoma, Basal Cell Adenoma CTD_human_DG 16926031
★☆☆☆☆
Found in Text Mining only
Adenoma, Microcystic Adenoma CTD_human_DG 16926031
★☆☆☆☆
Found in Text Mining only
Adenoma, Monomorphic Adenoma CTD_human_DG 16926031
★☆☆☆☆
Found in Text Mining only
Adenoma, Trabecular Adenoma CTD_human_DG 16926031
★☆☆☆☆
Found in Text Mining only
Adrenoleukodystrophy Adrenoleukodystrophy BEFREE 16401743
★☆☆☆☆
Found in Text Mining only
Adrenomyeloneuropathy Adrenomyeloneuropathy BEFREE 16401743
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic Lateral Sclerosis BEFREE 15704143
★☆☆☆☆
Found in Text Mining only