ClinVar Miner

Submissions for variant NM_000268.4(NF2):c.272C>G (p.Pro91Arg)

dbSNP: rs1569281659
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001247227 SCV001420636 uncertain significance Neurofibromatosis, type 2 2020-12-09 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. 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: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with NF2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces proline with arginine at codon 91 of the NF2 protein (p.Pro91Arg). The proline residue is moderately conserved and there is a moderate physicochemical difference between proline and arginine.
Ambry Genetics RCV002436969 SCV002741493 uncertain significance Hereditary cancer-predisposing syndrome 2022-10-03 criteria provided, single submitter clinical testing The p.P91R variant (also known as c.272C>G), located in coding exon 3 of the NF2 gene, results from a C to G substitution at nucleotide position 272. The proline at codon 91 is replaced by arginine, an amino acid with dissimilar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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