ClinVar Miner

Submissions for variant NM_000051.4(ATM):c.2692T>G (p.Leu898Val)

dbSNP: rs2135524133
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001900378 SCV002144055 uncertain significance Ataxia-telangiectasia syndrome 2021-01-14 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). This sequence change replaces leucine with valine at codon 898 of the ATM protein (p.Leu898Val). The leucine residue is moderately conserved and there is a small physicochemical difference between leucine and valine. This variant has not been reported in the literature in individuals with ATM-related conditions. 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 ATM protein function.
Ambry Genetics RCV002425154 SCV002742313 uncertain significance Hereditary cancer-predisposing syndrome 2020-09-14 criteria provided, single submitter clinical testing The p.L898V variant (also known as c.2692T>G), located in coding exon 17 of the ATM gene, results from a T to G substitution at nucleotide position 2692. The leucine at codon 898 is replaced by valine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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