ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.430T>G (p.Ser144Ala)

dbSNP: rs1672660930
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001322037 SCV001512889 uncertain significance Hereditary nonpolyposis colorectal neoplasms 2020-10-19 criteria provided, single submitter clinical testing In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt MSH2 protein function. This variant has not been reported in the literature in individuals with MSH2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with alanine at codon 144 of the MSH2 protein (p.Ser144Ala). The serine residue is moderately conserved and there is a moderate physicochemical difference between serine and alanine.
Sema4, Sema4 RCV002259104 SCV002534521 uncertain significance Hereditary cancer-predisposing syndrome 2022-02-03 criteria provided, single submitter curation
Ambry Genetics RCV002259104 SCV005141903 likely benign Hereditary cancer-predisposing syndrome 2024-04-10 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.

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