ClinVar Miner

Submissions for variant NM_024537.4(CARS2):c.25G>C (p.Gly9Arg)

dbSNP: rs1465681823
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000796618 SCV000936138 uncertain significance Combined oxidative phosphorylation defect type 27 2021-08-24 criteria provided, single submitter clinical testing This sequence change replaces glycine with arginine at codon 9 of the CARS2 protein (p.Gly9Arg). The glycine residue is weakly conserved and there is a moderate physicochemical difference between glycine and arginine. 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 CARS2-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Not Available"; Align-GVGD: "Class C0". The arginine 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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