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| Gene | MAP2K1 |
| Variant | L63_D67del |
| Impact List | deletion |
| Protein Effect | gain of function |
| Gene Variant Descriptions | MAP2K1 L63_D67del results in the deletion of five amino acids in the Map2k1 protein from amino acids 63 to 67 (UniProt.org). L63_D67del confers a gain of function to Map2k1 as demonstrated by increased proliferation in a competition assay and increased transformation activity in cultured cells (PMID: 36442478). |
| Associated Drug Resistance | |
| Category Variants Paths |
MAP2K1 mutant MAP2K1 act mut MAP2K1 L63_D67del |
| Transcript | NM_002755.4 |
| gDNA | chr15:g.66435133_66435147del15 |
| cDNA | c.187_201del15 |
| Protein | p.L63_D67delLKDDD |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_002755.4 | chr15:g.66435133_66435147del15 | c.187_201del15 | p.L63_D67delLKDDD | RefSeq | GRCh38/hg38 |
| XM_011521783.4 | chr15:g.66435199_66435213del15 | c.187_201del15 | p.V63_P67delVSHKP | RefSeq | GRCh38/hg38 |
| NM_002755.3 | chr15:g.66435133_66435147del15 | c.187_201del15 | p.L63_D67del | RefSeq | GRCh38/hg38 |
| XM_017022411.2 | chr15:g.66435133_66435147del15 | c.187_201del15 | p.L63_D67del | RefSeq | GRCh38/hg38 |
| XM_017022411.3 | chr15:g.66435133_66435147del15 | c.187_201del15 | p.L63_D67delLKDDD | RefSeq | GRCh38/hg38 |
| NM_001411065.1 | chr15:g.66435199_66435213del15 | c.187_201del15 | p.V63_P67delVSHKP | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| MAP2K1 L63_D67del | Advanced Solid Tumor | sensitive | Trametinib | Preclinical - Cell culture | Actionable | In a preclinical study, Mekinist (trametinib) inhibited viability of a transformed cell line expressing MAP2K1 L63_D67del in culture (PMID: 36442478). | 36442478 |