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| Gene | ALK |
| Variant | G1269S |
| Impact List | missense |
| Protein Effect | gain of function - predicted |
| Gene Variant Descriptions | ALK G1269S lies within the protein kinase domain of the Alk protein (UniProt.org). G1269S is predicted to confer a gain of function on the Alk protein as indicated by increased Alk phosphorylation (PMID: 21948233) and has been demonstrated to confer resistance to Alk inhibitors in the context of EML4-ALK (PMID: 21948233, PMID: 22034911, PMID: 34158340). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
ALK mutant ALK act mut ALK G1269S |
| Transcript | NM_004304.5 |
| gDNA | chr2:g.29209815_29209817delGGAinsAGC |
| cDNA | c.3805_3807delGGAinsAGC |
| Protein | p.G1269S |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_004304.4 | chr2:g.29209815_29209817delGGAinsAGC | c.3805_3807delGGAinsAGC | p.G1269S | RefSeq | GRCh38/hg38 |
| NM_004304 | chr2:g.29209815_29209817delTCCinsGCT | c.3805_3807delGGAinsAGC | p.G1269S | RefSeq | GRCh38/hg38 |
| NM_004304.5 | chr2:g.29209815_29209817delGGAinsAGC | c.3805_3807delGGAinsAGC | p.G1269S | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| ALK G1269S | Advanced Solid Tumor | decreased response | TPX-0131 | Preclinical - Biochemical | Actionable | In a preclinical study, ALK G1269S demonstrated reduced sensitivity to TPX-0131 in an in vitro kinase assay (PMID: 34158340). | 34158340 |
| ALK G1269S | Advanced Solid Tumor | predicted - sensitive | Conteltinib | Preclinical - Biochemical | Actionable | In a preclinical study, Conteltinib (CT-707) inhibited ALK G1269S activity in an in vitro assay (PMID: 36424628). | 36424628 |