ClinVar Miner

Submissions for variant NM_001379200.1(TBX1):c.507G>A (p.Met169Ile)

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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 RCV003053051 SCV003447337 uncertain significance DiGeorge syndrome 2022-09-17 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with TBX1-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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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 TBX1 protein function. This variant is present in population databases (no rsID available, gnomAD 0.0009%). This sequence change replaces methionine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 160 of the TBX1 protein (p.Met160Ile).

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