ClinVar Miner

Submissions for variant NM_001164688.2(RD3):c.149C>A (p.Ala50Glu)

dbSNP: rs140156866
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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 RCV002026849 SCV002314060 uncertain significance Leber congenital amaurosis 12 2021-08-06 criteria provided, single submitter clinical testing This sequence change replaces alanine with glutamic acid at codon 50 of the RD3 protein (p.Ala50Glu). The alanine residue is moderately conserved and there is a moderate physicochemical difference between alanine and glutamic acid. This variant is present in population databases (rs140156866, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with RD3-related conditions. 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 glutamic acid amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect 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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