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| Gene | MLH1 |
| Variant | Y646C |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | MLH1 Y646C lies within the EXO1-interacting region and C-terminal dimerization domain of the Mlh1 protein (PMID: 22753075). Y646C has mismatch repair (MMR) activity comparable to wild-type Mlh1 in in vitro assays (PMID: 16083711, PMID: 21120944), but loss of interaction with Pms2 in cultured cells (PMID: 16724012), and therefore, its effect on Mlh1 protein function is unknown. |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 Y646C |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37048557A>G |
| cDNA | c.1937A>G |
| Protein | p.Y646C |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000249 | chr3:g.37048557A>G | c.1937A>G | p.Y646C | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37048557A>G | c.1937A>G | p.Y646C | RefSeq | GRCh38/hg38 |
| NM_000249.3 | chr3:g.37048557A>G | c.1937A>G | p.Y646C | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|