ClinVar Miner

Submissions for variant NM_000268.4(NF2):c.587G>A (p.Arg196Gln)

dbSNP: rs749176138
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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 RCV001024635 SCV001186683 uncertain significance Hereditary cancer-predisposing syndrome 2023-02-13 criteria provided, single submitter clinical testing The p.R196Q variant (also known as c.587G>A), located in coding exon 6 of the NF2 gene, results from a G to A substitution at nucleotide position 587. The arginine at codon 196 is replaced by glutamine, 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 RCV001372483 SCV001569150 uncertain significance Neurofibromatosis, type 2 2022-02-10 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 196 of the NF2 protein (p.Arg196Gln). This variant is present in population databases (rs749176138, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with NF2-related conditions. ClinVar contains an entry for this variant (Variation ID: 826028). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). 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.
Genome-Nilou Lab RCV001372483 SCV002044850 uncertain significance Neurofibromatosis, type 2 2021-11-07 criteria provided, single submitter clinical testing

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