ClinVar Miner

Submissions for variant NM_001303256.3(MORC2):c.2944A>G (p.Thr982Ala) (rs771410096)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000526856 SCV000655823 uncertain significance Charcot-Marie-Tooth disease, axonal, type 2z 2017-03-08 criteria provided, single submitter clinical testing This sequence change replaces threonine with alanine at codon 920 of the MORC2 protein (p.Thr920Ala). The threonine residue is weakly conserved and there is a small physicochemical difference between threonine and alanine. This variant is present in population databases (rs771410096, ExAC 0.004%) but has not been reported in the literature in individuals with a MORC2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The alanine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies. In summary, this variant is a rare missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. Therefore, it has been classified as a Variant of Uncertain Significance.

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