ClinVar Miner

Submissions for variant NM_000268.4(NF2):c.831T>G (p.Asp277Glu)

dbSNP: rs762883753
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV001017547 SCV001178638 uncertain significance Hereditary cancer-predisposing syndrome 2018-09-05 criteria provided, single submitter clinical testing The p.D277E variant (also known as c.831T>G), located in coding exon 9 of the NF2 gene, results from a T to G substitution at nucleotide position 831. The aspartic acid at codon 277 is replaced by glutamic acid, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Invitae RCV001206141 SCV001377436 uncertain significance Neurofibromatosis, type 2 2022-10-05 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 NF2 protein function. ClinVar contains an entry for this variant (Variation ID: 822295). This variant has not been reported in the literature in individuals affected with NF2-related conditions. This variant is present in population databases (rs762883753, gnomAD 0.0009%). This sequence change replaces aspartic acid, which is acidic and polar, with glutamic acid, which is acidic and polar, at codon 277 of the NF2 protein (p.Asp277Glu).
Genome-Nilou Lab RCV001206141 SCV002044862 uncertain significance Neurofibromatosis, type 2 2021-11-07 criteria provided, single submitter clinical testing

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