ClinVar Miner

Submissions for variant NM_000051.4(ATM):c.2848C>G (p.Leu950Val)

dbSNP: rs763064034
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000706624 SCV000835687 uncertain significance Ataxia-telangiectasia syndrome 2018-06-23 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. This sequence change replaces leucine with valine at codon 950 of the ATM protein (p.Leu950Val). The leucine residue is moderately conserved and there is a small physicochemical difference between leucine and valine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with ATM-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). Variants that disrupt the p.Leu950 amino acid residue in ATM have been observed in affected individuals (PMID: 10873394, 12552559, 20678261, 21792198). This suggests that it is a clinically significant residue, and that other variants that disrupt this residue are likely to be causative of disease.

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