ClinVar Miner

Submissions for variant NM_001101426.4(CRPPA):c.247G>T (p.Ala83Ser)

dbSNP: rs2128321450
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001372820 SCV001569510 uncertain significance Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A, 7; Autosomal recessive limb-girdle muscular dystrophy type 2U 2021-08-26 criteria provided, single submitter clinical testing This sequence change replaces alanine with serine at codon 83 of the ISPD protein (p.Ala83Ser). The alanine residue is highly conserved and there is a moderate physicochemical difference between alanine and serine. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This variant has not been reported in the literature in individuals affected with ISPD-related conditions. 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: "Benign"; Align-GVGD: "Class C0"). 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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