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| Gene | IDH1 |
| Variant | R132L |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | IDH1 R132L lies within the active site of the Idh1 protein (PMID: 19228619). R132L 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: 19935646, PMID: 21326614). |
| Associated Drug Resistance | |
| Category Variants Paths |
IDH1 mutant IDH1 act mut IDH1 R132L IDH1 mutant IDH1 R132X IDH1 R132L |
| Transcript | NM_005896.4 |
| gDNA | chr2:g.208248388C>A |
| cDNA | c.395G>T |
| Protein | p.R132L |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001282386 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_001282387 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_005896.3 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_001282386.1 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_005896.4 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_001282387.1 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_001282386.1 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_005896 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| NM_001282387.1 | chr2:g.208248388C>A | c.395G>T | p.R132L | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| IDH1 R132L | gain of function | IDH Inhibitor (Pan) IDH1 Inhibitor |
| IDH1 R119P IDH1 R132L IDH2 R140Q | ||
| IDH1 R132L IDH2 R140Q | ||
| IDH1 R119P IDH1 R132L | ||
| ARID1B Q127_Q131del IDH1 R132L |