ClinVar Miner

Submissions for variant NM_000548.5(TSC2):c.2774A>G (p.Asp925Gly)

dbSNP: rs1555508942
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000547229 SCV000644377 uncertain significance Tuberous sclerosis 2 2022-10-10 criteria provided, single submitter clinical testing 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 TSC2 protein function. ClinVar contains an entry for this variant (Variation ID: 467967). This variant has not been reported in the literature in individuals affected with TSC2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 925 of the TSC2 protein (p.Asp925Gly).
Ambry Genetics RCV001016551 SCV001177516 uncertain significance Hereditary cancer-predisposing syndrome 2022-08-11 criteria provided, single submitter clinical testing The p.D925G variant (also known as c.2774A>G), located in coding exon 24 of the TSC2 gene, results from an A to G substitution at nucleotide position 2774. The aspartic acid at codon 925 is replaced by glycine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Genome-Nilou Lab RCV000547229 SCV002040719 uncertain significance Tuberous sclerosis 2 2021-11-07 criteria provided, single submitter clinical testing
Center for Molecular Medicine, Children’s Hospital of Fudan University RCV000547229 SCV002073927 likely pathogenic Tuberous sclerosis 2 2022-02-08 no assertion criteria provided clinical testing

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