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GJA1

gap junction protein alpha 1

HCNC Approved Symbol
GJA1 (HGNC:4274)
Genomic Coordinates
6:121,435,646 - 121,449,727 (6q22.31)
Synonyms
CX43, ODD, ODOD, SDTY3, ODDD, GJAL
Disease Associations
This gene is associated with the following 6 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Craniometaphyseal dysplasia, autosomal recessive
218400AR
Erythrokeratodermia variabilis et progressiva 3
617525AD
Oculodentodigital dysplasia
164200AD
Oculodentodigital dysplasia, autosomal recessive
257850AR
Palmoplantar keratoderma with congenital alopecia
104100AD
Syndactyly, type III
186100AD

Diagnosed Cases

5Patients

In total, 5 patients were diagnosed with a variant in the GJA1 gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Syndactyly
 2 (40.0%)
Abnormal facial shape
 1 (20.0%)
Aplasia/hypoplasia of the fibula
 1 (20.0%)
Blue sclera
 1 (20.0%)
Blue sclerae
 1 (20.0%)