ClinVar Miner

Submissions for variant NM_000051.4(ATM):c.1625T>G (p.Leu542Trp)

gnomAD frequency: 0.00001  dbSNP: rs910501639
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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 RCV003037428 SCV003440588 uncertain significance Ataxia-telangiectasia syndrome 2024-11-16 criteria provided, single submitter clinical testing This sequence change replaces leucine, which is neutral and non-polar, with tryptophan, which is neutral and slightly polar, at codon 542 of the ATM protein (p.Leu542Trp). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with epiglottic cancer and/or pancreatic cancer (PMID: 27449771). ClinVar contains an entry for this variant (Variation ID: 2137237). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed for this missense variant. However, the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on ATM protein function. 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.

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