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| Gene | MLH1 |
| Variant | Q542L |
| Impact List | missense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | MLH1 Q542L lies within the EXO1-interacting region and C-terminal dimerization domain of the Mlh1 protein (PMID: 22753075). Q542L maintains interaction with Pms2 (PMID: 12810663), but results in reduced Pms2 and Mlh1 expression (PMID: 36054288) and decreased mismatch repair activity in an in vitro assay (PMID: 17510385) and in cell culture (PMID: 31784484, PMID: 36054288). |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 inact mut MLH1 Q542L |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37040252A>T |
| cDNA | c.1625A>T |
| Protein | p.Q542L |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001354628.2 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001258271 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001354630.1 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001354628.1 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_000249.3 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001258271.2 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001258271.1 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_001354630.2 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| NM_000249 | chr3:g.37040252A>T | c.1625A>T | p.Q542L | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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