ClinVar Miner

Submissions for variant NM_000489.5(ATRX):c.737G>T (p.Arg246Leu)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000808033 SCV000948117 uncertain significance ATR-X syndrome 2018-09-11 criteria provided, single submitter clinical testing This sequence change replaces arginine with leucine at codon 246 of the ATRX protein (p.Arg246Leu). The arginine residue is highly conserved and there is a moderate physicochemical difference between arginine and leucine. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individuals affected with ATRX syndrome (PMID: 10204841, 12673795). This variant is also known as G943T in the literature. 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: "Probably Damaging"; Align-GVGD: "Class C0"). This variant disrupts the p.Arg246 amino acid residue in ATRX. Other variant(s) that disrupt this residue have been observed in affected individuals (PMID: 16955409, 20500465, 24327140, 9326931, 7726225), suggesting that it is a clinically significant residue. As a result, variants that disrupt this residue are likely to be causative of disease. 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.

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