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| Gene | MLH1 |
| Variant | P581L |
| Impact List | missense |
| Protein Effect | no effect - predicted |
| Gene Variant Descriptions | MLH1 P581L lies within the EXO1-interacting region and C-terminal dimerization domain of the Mlh1 protein (PMID: 22753075). P581L results in decreased Pms2 binding in a yeast two-hybrid assay in one study (PMID: 18094436), but Pm2 binding similar to wild-type in another yeast two-hybrid assay (PMID: 30504929) and demonstrates mismatch repair activity similar to wild-type Mlh1 in cultured cells (PMID: 31784484) and in an in vitro assay (PMID: 30504929), and retains nuclear localization (PMID: 30504929), and therefore, is predicted to have no effect on Mlh1 protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 P581L |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37047529C>T |
| cDNA | c.1742C>T |
| Protein | p.P581L |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001258271.1 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| NM_000249.3 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| NM_001354628.1 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| NM_001354628.2 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| NM_001258271.2 | chr3:g.37047529C>T | c.1742C>T | p.P581L | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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