ClinVar Miner

Submissions for variant NM_000834.5(GRIN2B):c.5A>C (p.Lys2Thr)

dbSNP: rs2136747631
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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 RCV001359697 SCV001555575 uncertain significance Intellectual disability, autosomal dominant 6; Developmental and epileptic encephalopathy, 27 2021-06-24 criteria provided, single submitter clinical testing This sequence change replaces lysine with threonine at codon 2 of the GRIN2B protein (p.Lys2Thr). The lysine residue is moderately conserved and there is a moderate physicochemical difference between lysine and threonine. 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).

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