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| Gene | JAK1 |
| Variant | L929Q |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | JAK1 L929Q lies within protein kinase domain 2 of the Jak1 protein (UniProt.org). L929Q has been associated with resistance to Jak inhibitors in combination with JAK1 V658F in culture (PMID: 39091915), but has not been fully biochemically characterized and therefore, its effect on Jak1 protein function is unknown (PubMed, Dec 2025). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
JAK1 mutant JAK1 L929Q |
| Transcript | NM_002227.4 |
| gDNA | chr1:g.64839659_64839660delTTinsCA |
| cDNA | c.2785_2786delTTinsCA |
| Protein | p.L929Q |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001321856.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_001321853.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| XM_047419674.1 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_001321854.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_001320923.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_001321852.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_001321855.2 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| NM_002227.4 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| XM_047419675.1 | chr1:g.64839659_64839660delTTinsCA | c.2785_2786delTTinsCA | p.L929Q | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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