ClinVar Miner

Submissions for variant NM_000548.5(TSC2):c.3082G>A (p.Asp1028Asn)

dbSNP: rs45517280
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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 RCV005089391 SCV005838128 likely pathogenic Tuberous sclerosis 2 2024-08-11 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid, which is acidic and polar, with asparagine, which is neutral and polar, at codon 1028 of the TSC2 protein (p.Asp1028Asn). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with TSC2-related conditions. ClinVar contains an entry for this variant (Variation ID: 49547). 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 expected to disrupt TSC2 protein function with a positive predictive value of 95%. Experimental studies have shown that this missense change affects TSC2 function (PMID: 21309039). This variant disrupts the p.Asp1028 amino acid residue in TSC2. Other variant(s) that disrupt this residue have been determined to be pathogenic (Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.
Tuberous sclerosis database (TSC2) RCV000042807 SCV000066603 not provided Tuberous sclerosis syndrome no assertion provided curation

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