ClinVar Miner

Submissions for variant NM_001271.4(CHD2):c.871G>A (p.Asp291Asn)

gnomAD frequency: 0.00001  dbSNP: rs201819533
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000543696 SCV000654353 uncertain significance Developmental and epileptic encephalopathy 94 2023-12-25 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 291 of the CHD2 protein (p.Asp291Asn). This variant is present in population databases (rs201819533, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with CHD2-related conditions. ClinVar contains an entry for this variant (Variation ID: 474398). 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 CHD2 protein function with a negative predictive value of 95%. 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.
GeneDx RCV003329302 SCV004036324 uncertain significance not provided 2023-03-23 criteria provided, single submitter clinical testing In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 26122175)

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