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| Gene | MLH1 |
| Variant | I501del |
| Impact List | deletion |
| Protein Effect | no effect - predicted |
| Gene Variant Descriptions | MLH1 I501del results in the deletion of an amino acid in the EXO1-interacting region and C-terminal dimerization domain of the Mlh1 protein at amino acid 501 (PMID: 22753075). I501del results in protein expression comparable to wild-type Mlh1 in culture and mismatch repair activity comparable to wild-type in an in vitro assay (PMID: 29520894), and therefore, is predicted to have no effect on Mlh1 protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 I501del |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37028876_37028878delTTA |
| cDNA | c.1502_1504delTTA |
| Protein | p.I501del |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001354628.2 | chr3:g.37028876_37028878delTTA | c.1502_1504delTTA | p.I501del | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37028876_37028878delTTA | c.1502_1504delTTA | p.I501del | RefSeq | GRCh38/hg38 |
| NM_001258271.2 | chr3:g.37028876_37028878delTTA | c.1502_1504delTTA | p.I501del | RefSeq | GRCh38/hg38 |
| NM_001354630.2 | chr3:g.37028876_37028878delTTA | c.1502_1504delTTA | p.I501del | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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