ClinVar Miner

Submissions for variant NM_001042432.2(CLN3):c.1214G>A (p.Arg405Gln)

gnomAD frequency: 0.00001  dbSNP: rs747861558
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001240220 SCV001413146 uncertain significance Neuronal ceroid lipofuscinosis 2024-01-18 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 405 of the CLN3 protein (p.Arg405Gln). This variant is present in population databases (rs747861558, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with CLN3-related conditions. ClinVar contains an entry for this variant (Variation ID: 965707). 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 CLN3 protein function with a negative predictive value of 80%. This variant disrupts the p.Arg405 amino acid residue in CLN3. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 24154662, 26766544, 28041643, 28559085). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. 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.

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