ClinVar Miner

Submissions for variant NM_000824.5(GLRB):c.853T>G (p.Trp285Gly)

gnomAD frequency: 0.00001  dbSNP: rs368298200
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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 RCV001918141 SCV002177111 uncertain significance Hyperekplexia 2 2021-10-25 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 expected to disrupt GLRB protein function. This variant has not been reported in the literature in individuals affected with GLRB-related conditions. This variant is present in population databases (rs368298200, ExAC 0.003%). This sequence change replaces tryptophan with glycine at codon 285 of the GLRB protein (p.Trp285Gly). The tryptophan residue is highly conserved and there is a large physicochemical difference between tryptophan and glycine.

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