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| Gene | MLH1 |
| Variant | S406N |
| Impact List | missense |
| Protein Effect | no effect |
| Gene Variant Descriptions | MLH1 S406N does not lie within any known functional domains of the Mlh1 protein (UniProt.org). S406N is a common polymorphism (PMID: 12810663, PMID: 17510385) and results in binding to Pms2 and Exo1 comparable to wild-type in a yeast two hybrid assay (PMID: 12810663), Mlh1 and Pms2 expression similar to wild-type Mlh1 in culture, mismatch repair activity comparable to wild-type in culture (PMID: 36054288), in yeast assays, and in in vitro assays (PMID: 17510385, PMID: 20020535), a mutation rate similar to wild-type in one of two yeast assays (PMID: 17210669), and microsatellite stability in a patient sample (PMID: 18033691). |
| Associated Drug Resistance | |
| Category Variants Paths |
MLH1 mutant MLH1 S406N |
| Transcript | NM_000249.4 |
| gDNA | chr3:g.37025815G>A |
| cDNA | c.1217G>A |
| Protein | p.S406N |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001354628.2 | chr3:g.37025815G>A | c.1217G>A | p.S406N | RefSeq | GRCh38/hg38 |
| NM_001354630.2 | chr3:g.37025815G>A | c.1217G>A | p.S406N | RefSeq | GRCh38/hg38 |
| NM_000249.4 | chr3:g.37025815G>A | c.1217G>A | p.S406N | RefSeq | GRCh38/hg38 |
| NM_001258271.2 | chr3:g.37025815G>A | c.1217G>A | p.S406N | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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