ClinVar Miner

Submissions for variant NM_002180.3(IGHMBP2):c.2036G>A (p.Arg679Gln)

gnomAD frequency: 0.00001  dbSNP: rs767422655
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001048316 SCV001212315 uncertain significance Autosomal recessive distal spinal muscular atrophy 1; Charcot-Marie-Tooth disease axonal type 2S 2022-08-31 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 679 of the IGHMBP2 protein (p.Arg679Gln). This variant is present in population databases (rs767422655, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with IGHMBP2-related conditions. ClinVar contains an entry for this variant (Variation ID: 845281). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt IGHMBP2 protein function. 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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