ClinVar Miner

Submissions for variant NM_002180.2(IGHMBP2):c.217G>A (p.Gly73Arg) (rs376644749)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000642622 SCV000764309 uncertain significance Spinal muscular atrophy, distal, autosomal recessive, 1; Charcot-Marie-Tooth disease, axonal, type 2S 2017-09-02 criteria provided, single submitter clinical testing This sequence change replaces glycine with arginine at codon 73 of the IGHMBP2 protein (p.Gly73Arg). The glycine residue is weakly conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is present in population databases (rs376644749, ExAC 0.001%). This variant has not been reported in the literature in individuals with IGHMBP2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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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