ClinVar Miner

Submissions for variant NM_000834.5(GRIN2B):c.2791G>A (p.Val931Ile)

dbSNP: rs199941557
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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 RCV001339926 SCV001533703 uncertain significance Intellectual disability, autosomal dominant 6; Developmental and epileptic encephalopathy, 27 2020-07-24 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 GRIN2B protein function. This variant has not been reported in the literature in individuals with GRIN2B-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces valine with isoleucine at codon 931 of the GRIN2B protein (p.Val931Ile). The valine residue is moderately conserved and there is a small physicochemical difference between valine and isoleucine.

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