MSH6 Y1256*
Gene Variant Detail

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Gene MSH6
Variant Y1256*
Impact List nonsense
Protein Effect unknown
Gene Variant Descriptions MSH6 Y1256* results in a premature truncation of the Msh6 protein at amino acid 1256 of 1360 (UniProt.org). Y1256* has been identified in the scientific literature (PMID: 35739269, PMID: 33393477, PMID: 26552419), but has not been biochemically characterized and therefore, its effect on Msh6 protein function is unknown (PubMed, Nov 2025).
Associated Drug Resistance
Category Variants Paths

MSH6 mutant MSH6 Y1256*

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Transcript NM_000179.3
gDNA chr2:g.47806325T>A
cDNA c.3768T>A
Protein p.Y1256*
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_001406796.1 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
XM_024452819.1 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
NM_001406800.1 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
NM_001406809.1 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
NM_000179.2 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
NM_000179.3 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38
NM_001406808.1 chr2:g.47806325T>A c.3768T>A p.Y1256* RefSeq GRCh38/hg38

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  • Separate multiple filter terms with a space. Any order may be used (i. e. a b c and c b a are equivalent )
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  • Use quotes to match on a longer phrase with spaces (i.e. "mtor c1483f")

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
MSH6 mutant pancreatic cancer not applicable N/A Guideline Risk Factor Germline mutations in MSH6 result in Lynch syndrome, which is associated with increased risk of developing pancreatic cancer (NCCN.org). detail...
MSH6 mutant rectum cancer not applicable N/A Guideline Risk Factor Lynch syndrome results from germline mutations in DNA mismatch repair genes including MLH1, MSH2, MSH6, and PMS2, and is associated with increased risk of developing colorectal cancer (NCCN.org). detail...
MSH6 mutant endometrial carcinoma not applicable N/A Guideline Risk Factor Germline mutations in MSH6 result in Lynch syndrome, which is associated with increased risk of developing endometrial carcinoma (NCCN.org). detail...
MSH6 mutant ovarian cancer not applicable N/A Guideline Risk Factor Germline mutations in MSH6 result in Lynch syndrome, which is associated with increased risk of ovarian cancer (NCCN.org). detail...
MSH6 mutant stomach cancer not applicable N/A Guideline Risk Factor Germline mutations in MSH6 result in Lynch syndrome, which is associated with increased risk of developing pancreatic cancer (NCCN.org). detail...
MSH6 mutant colorectal cancer not applicable N/A Clinical Study Diagnostic Germline mutations in MSH6 are associated with microsatellite instability in colorectal cancer (CRC), and are diagnostic for Lynch syndrome (hereditary nonpolyposis colorectal cancer) in colorectal cancer patients (PMID: 26582061; PMID: 19125127). 26582061 19125127
MSH6 mutant adrenocortical carcinoma not applicable N/A Guideline Risk Factor Lynch syndrome results from germline mutations in DNA mismatch repair genes including MLH1, MSH2, MSH6, and PMS2, and is associated with increased risk of developing adrenocortical carcinoma (NCCN.org). detail...
MSH6 mutant small intestine adenocarcinoma not applicable N/A Guideline Risk Factor Lynch syndrome results from germline mutations in DNA mismatch repair genes including MLH1, MSH2, MSH6, and PMS2, and is associated with increased risk of developing small bowel adenocarcinoma (NCCN.org). detail...
MSH6 mutant colon cancer not applicable N/A Guideline Risk Factor Lynch syndrome results from germline mutations in DNA mismatch repair genes including MLH1, MSH2, MSH6, and PMS2, and is associated with increased risk of developing colon cancer (NCCN.org). detail...