ClinVar Miner

Submissions for variant NM_001101426.4(CRPPA):c.881A>G (p.Asp294Gly)

gnomAD frequency: 0.00004  dbSNP: rs547473863
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000284083 SCV000344593 uncertain significance not provided 2016-08-23 criteria provided, single submitter clinical testing
Invitae RCV000705940 SCV000834962 uncertain significance Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 7; Autosomal recessive limb-girdle muscular dystrophy type 2U 2022-10-05 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 294 of the ISPD protein (p.Asp294Gly). This variant is present in population databases (rs547473863, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with ISPD-related conditions. ClinVar contains an entry for this variant (Variation ID: 290098). 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 ISPD protein function. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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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