ClinVar Miner

Submissions for variant NM_013254.4(TBK1):c.1603G>A (p.Ala535Thr)

gnomAD frequency: 0.00004  dbSNP: rs199905735
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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 RCV000698157 SCV000826801 uncertain significance Frontotemporal dementia and/or amyotrophic lateral sclerosis 4 2024-06-23 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 535 of the TBK1 protein (p.Ala535Thr). This variant is present in population databases (rs199905735, gnomAD 0.01%). This missense change has been observed in individual(s) with clinical features of TBK1-related conditions (PMID: 26581300, 33208543). ClinVar contains an entry for this variant (Variation ID: 575829). 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 TBK1 protein function with a negative predictive value of 95%. Experimental studies have shown that this missense change does not substantially affect TBK1 function (PMID: 28008748). 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.
MGZ Medical Genetics Center RCV000698157 SCV002580501 uncertain significance Frontotemporal dementia and/or amyotrophic lateral sclerosis 4 2021-10-13 criteria provided, single submitter clinical testing

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