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| Gene | JAK3 |
| Variant | L156P |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | JAK3 L156P lies within the FERM domain of the Jak3 protein (UniProt.org). L156P results in a gain of function of the Jak3 protein as demonstrated by increased protein stability and transformation in cell culture (PMID: 21821710). |
| Associated Drug Resistance | |
| Category Variants Paths |
JAK3 mutant JAK3 act mut JAK3 L156P |
| Transcript | NM_000215.4 |
| gDNA | chr19:g.17843126A>G |
| cDNA | c.467T>C |
| Protein | p.L156P |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000215.4 | chr19:g.17843126A>G | c.467T>C | p.L156P | RefSeq | GRCh38/hg38 |
| XM_047438786.1 | chr19:g.17843126A>G | c.467T>C | p.L156P | RefSeq | GRCh38/hg38 |
| XM_011527991.3 | chr19:g.17843126A>G | c.467T>C | p.L156P | RefSeq | GRCh38/hg38 |
| NM_000215 | chr19:g.17843126A>G | c.467T>C | p.L156P | RefSeq | GRCh38/hg38 |
| NM_000215.3 | chr19:g.17843126A>G | c.467T>C | p.L156P | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| JAK3 L156P | Advanced Solid Tumor | sensitive | Tofacitinib | Preclinical - Cell culture | Actionable | In a preclinical study, transformed human cells expressing JAK3 L156P in culture demonstrated decreased cell survival, increased G1 arrest, and reduced phosphorylation of Stat5a when treated with Xeljanz (tofacitinib) (PMID: 21821710). | 21821710 |