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| Gene | MLH1 |
| Variant | H733Qfs*14 |
| Impact List | frameshift |
| Protein Effect | loss of function - predicted |
| Gene Variant Descriptions | MLH1 H733Qfs*14 indicates a shift in the reading frame starting at amino acid 733 and terminating 14 residues downstream causing a premature truncation of the 756 amino acid Mlh1 protein (UniProt.org). H733Qfs*14 results in reduced Pms2 expression compared to wild-type Mlh1 in an in vitro assay, loss of interaction with Pms2 and Exo1 in a yeast-two-hybrid assay (PMID: 12810663), loss of Mlh1 and Pms2 expression, microsatellite instability in a patient sample (PMID: 31028081), and due to loss of the C-terminal domain (PMID: 16338176), is predicted to lead to a loss of Mlh1 protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 inact mut MLH1 H733Qfs*14 |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37050580_37050581insAAAA |
| cDNA | c.2198_2199insAAAA |
| Protein | p.H733Qfs*14 |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000249.4 | chr3:g.37050580_37050581insAAAA | c.2198_2199insAAAA | p.H733Qfs*14 | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|