ClinVar Miner

Submissions for variant NM_000083.3(CLCN1):c.1097T>C (p.Val366Ala)

dbSNP: rs1085307989
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000489990 SCV000577787 likely pathogenic not provided 2015-05-14 criteria provided, single submitter clinical testing The V366A variant in the CLCN1 gene has not been published as a pathogenic variant, nor has it been reported as a benign polymorphism to our knowledge. The V366A variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Although the V366A variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties, this substitution occurs at a position that is conserved across species. In addition, in silico analysis predicts this variant is probably damaging to the protein structure/function. Moreover, missense variants in nearby residues (G355R, G355E, M373L) have been reported in the Human Gene Mutation Database in association with myotonia (Stenson et al., 2014), supporting the functional importance of this region of the protein. Given the currently available data, we consider the V366A variant to be a strong candidate for a disease-causing variant, however the possibility it may be a rare benign variant cannot be excluded
Revvity Omics, Revvity RCV000489990 SCV003830787 uncertain significance not provided 2021-07-02 criteria provided, single submitter clinical testing

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