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| Gene | IDH1 |
| Variant | R132Q |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | IDH1 R132Q lies within the active site of the Idh1 protein (PMID: 19228619). R132Q confers a gain of function to Idh1, as indicated by increased conversion of alpha-ketoglutarate to the onco-metabolite 2HG (R(-)-2-hydroxyglutarate) in cell culture (PMID: 30249606, PMID: 28330869). |
| Associated Drug Resistance | |
| Category Variants Paths |
IDH1 mutant IDH1 act mut IDH1 R132Q IDH1 mutant IDH1 R132X IDH1 R132Q |
| Transcript | NM_005896.4 |
| gDNA | chr2:g.208248387_208248388delGTinsAA |
| cDNA | c.395_396delGTinsAA |
| Protein | p.R132Q |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_005896.4 | chr2:g.208248387_208248388delGTinsAA | c.395_396delGTinsAA | p.R132Q | RefSeq | GRCh38/hg38 |
| NM_001282386.1 | chr2:g.208248387_208248388delGTinsAA | c.395_396delGTinsAA | p.R132Q | RefSeq | GRCh38/hg38 |
| NM_001282387.1 | chr2:g.208248387_208248388delGTinsAA | c.395_396delGTinsAA | p.R132Q | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| IDH1 R132Q | Advanced Solid Tumor | predicted - resistant | ML309 | Preclinical - Biochemical | Actionable | In a preclinical study, ML309 treatment did not inhibit the activity of IDH1 R132Q in an in vitro assay (PMID: 30249606). | 30249606 |
| IDH1 R132Q | Advanced Solid Tumor | predicted - resistant | AGI-5198 | Preclinical - Biochemical | Actionable | In a preclinical study, AGI-5198 treatment did not inhibit the activity of IDH1 R132Q in an in vitro assay (PMID: 30249606). | 30249606 |
| IDH1 R132Q | Advanced Solid Tumor | predicted - sensitive | GSK864 | Preclinical - Biochemical | Actionable | In a preclinical study, GSK864 inhibited the activity of IDH1 R132Q in an in vitro assay (PMID: 30249606). | 30249606 |