ClinVar Miner

Submissions for variant NM_001134407.3(GRIN2A):c.3263G>A (p.Arg1088Lys)

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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 RCV002303871 SCV002593684 uncertain significance Landau-Kleffner syndrome 2022-09-16 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 GRIN2A protein function. This variant has not been reported in the literature in individuals affected with GRIN2A-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces arginine, which is basic and polar, with lysine, which is basic and polar, at codon 1088 of the GRIN2A protein (p.Arg1088Lys).

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