ClinVar Miner

Submissions for variant NM_020956.2(PRX):c.*1197C>T

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000808313 SCV000948418 uncertain significance Charcot-Marie-Tooth disease type 4 2018-11-28 criteria provided, single submitter clinical testing This sequence change replaces proline with leucine at codon 331 of the PRX protein (p.Pro331Leu). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and leucine. This variant is present in population databases (rs566629777, ExAC 0.02%). This variant has not been reported in the literature in individuals with PRX-related disease. 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: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C15"). 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.
Illumina Clinical Services Laboratory,Illumina RCV001129239 SCV001288747 uncertain significance Charcot-Marie-Tooth disease, demyelinating, type 4F 2017-04-27 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance.

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