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Gene entry

JAK1

Janus kinase 1

Chromosome
1
Cytoband
1p31.3
Variants (rsID)
41

JAK1 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 1 (region 1p31.3). Its official name is “Janus kinase 1”. The reference table lists 41 variants (rsID) for this gene.

Clinically classified variants

2 reference-table entries with clinical significance.

  • rs869312953Likely pathogenicsingle nucleotide variantInborn genetic diseases|Lymphoblastic leukemia, acute, with lymphomatous features|Autoinflammation, immune dysregulation, and eosinophilia
  • rs149968614Uncertain significancesingle nucleotide variantAutoinflammation, immune dysregulation, and eosinophilia

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.