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| Gene | MLH1 |
| Variant | H112D |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | MLH1 H112D lies within the ATPase domain of the Mlh1 protein (PMID: 22753075). H112D retains ATPase activity in in vitro analyses (PMID: 17135187, PMID: 29544212) leading to functional subcellular localization, recruitment to double strand breaks, ability to suppress interstitial telomeric sequences and genomic instability (PMID: 29544212) and retains binding to Pms2 but impairs interaction with Msh2-Msh6-DNA complex in culture and leads to loss of mismatch repair activity (MMR) in an in vitro analysis in one study (PMID: 17135187), but in another results in normal expression of Pms2 and Mlh1 and MMR activity comparable to wild-type in culture (PMID: 36054288), and therefore, its effect on Mlh1 protein function is unknown. |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 H112D |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37004428C>G |
| cDNA | c.334C>G |
| Protein | p.H112D |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001258271.2 | chr3:g.37004428C>G | c.334C>G | p.H112D | RefSeq | GRCh38/hg38 |
| NM_001354630.2 | chr3:g.37004428C>G | c.334C>G | p.H112D | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37004428C>G | c.334C>G | p.H112D | RefSeq | GRCh38/hg38 |
| XM_005265161.3 | chr3:g.37004428C>G | c.334C>G | p.H112D | RefSeq | GRCh38/hg38 |
| NM_001354628.2 | chr3:g.37004428C>G | c.334C>G | p.H112D | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|