Genetics University — Research, Education, Medical Genetics
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Gene entry

GJB4

gap junction protein beta 4

Chromosome
1
Cytoband
1p34.3
Variants (rsID)
16

GJB4 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 1 (region 1p34.3). Its official name is “gap junction protein beta 4”. The reference table lists 16 variants (rsID) for this gene.

Clinically classified variants

4 reference-table entries with clinical significance.

  • rs3738346Benignsingle nucleotide variant
  • rs146378222Conflicting interpretationssingle nucleotide variantAutosomal dominant nonsyndromic hearing loss 3A|Autosomal recessive nonsyndromic hearing loss 1A
  • rs80358210Pathogenicsingle nucleotide variantErythrokeratodermia variabilis et progressiva 2
  • rs80358212Uncertain significancesingle nucleotide variantErythrokeratodermia variabilis et progressiva 2

Other listed variants

Public references

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.