ClinVar Miner

Submissions for variant NM_001111.5(ADAR):c.3464G>A (p.Arg1155Gln)

dbSNP: rs1304875258
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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 RCV001345159 SCV001539261 uncertain significance Symmetrical dyschromatosis of extremities; Aicardi-Goutieres syndrome 6 2021-04-28 criteria provided, single submitter clinical testing 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. This variant disrupts the p.Arg1155 amino acid residue in ADAR. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 15659327, 22336994). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with ADAR-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with glutamine at codon 1155 of the ADAR protein (p.Arg1155Gln). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and glutamine.

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