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Gene

GJA4

gap junction protein alpha 4

Summary

Cytogenetic location
1p34.3
Coordinates
Chromosome 1: 34,792,999–34,795,747 (GRCh38)
Exons
2 exons across 2.7 kb
Protein
333 amino acids
Also known as
CX37
MANE Select transcript
ENST00000342280.5NM_002060.3
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Reference genomeGRCh38

Positions on gene and variant pages follow this choice, in this browser.

Curated reports relevant to this gene

No Genome Test report reads GJA4 yet. The test sequences your whole genome, so your data includes it all the same.

How GJA4 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
Chromosome 1, with a bracket where GJA4 sits. GJA4 and 12 genes near it on chromosome 1, from 34,294,373 to 35,294,372.Chromosome 11p34.3p36.33p36.32p36.31p36.23p36.22p36.21p36.13p36.12p36.11p35.3p35.2p35.1p34.3p34.2p34.1p33p32.3p32.2p32.1p31.3p31.2p31.1p22.3p22.2p22.1p21.3p21.2p21.1p13.3p13.2p13.1p12p11.2p11.1q11q12q21.1q21.2q21.3q22q23.1q23.2q23.3q24.1q24.2q24.3q25.1q25.2q25.3q31.1q31.2q31.3q32.1q32.2q32.3q41q42.11q42.12q42.13q42.2q42.3q43q4434.4 Mb34.6 Mb34.8 Mb35 Mb35.2 MbSMIM12: 34,712,737–34,859,830, reverse strandSMIM12GJB5: 34,755,013–34,758,512, forward strandGJB4: 34,759,740–34,763,724, forward strandGJB4GJB3: 34,781,175–34,786,369, forward strandGJB3GJA4: 34,792,999–34,795,747, forward strandGJA4DLGAP3: 34,861,407–34,929,664, reverse strandDLGAP3: 34,974,356–34,985,313, reverse strandTMEM35B: 34,981,380–34,985,350, reverse strandTMEM35B: 34,981,533–35,031,741, reverse strandZMYM6: 34,986,144–35,031,973, reverse strandZMYM6ZMYM1: 35,032,172–35,118,818, forward strandZMYM1SFPQ: 35,176,378–35,193,446, reverse strandSFPQZMYM4: 35,268,664–35,423,213, forward strandZMYM4Diagram of GJA4: 2 exons on the forward strand of chromosome 1Exon 1: 34,792,999–34,793,068, 70 basesExon 2: 34,794,197–34,795,747, 1,551 bases125′3′

Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.

Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).

Nearby genes from Ensembl release 116, on GRCh38.

Exons make up 1.6 kb of the gene's 2.7 kb; 1,002 of those bases code for the protein.

Where this comes from

  • HGNC: the gene's symbol, name, other symbols and location.
  • MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.

Cite this page

APA

Dante Labs. (n.d.). GJA4 gene: gap junction protein alpha 4. Retrieved 17 October 2026, from https://dantelabs.com/genes/gja4

Vancouver

Dante Labs. GJA4 gene: gap junction protein alpha 4 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/gja4

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