ClinVar Miner

Submissions for variant NM_024598.4(USB1):c.205G>A (p.Gly69Arg)

dbSNP: rs762121009
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV003720323 SCV004516496 uncertain significance not provided 2023-08-14 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. 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 expected to disrupt USB1 protein function. This variant has not been reported in the literature in individuals affected with USB1-related conditions. This variant is present in population databases (rs762121009, gnomAD 0.003%). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 69 of the USB1 protein (p.Gly69Arg).
Ambry Genetics RCV004963786 SCV005530755 uncertain significance Inborn genetic diseases 2024-11-18 criteria provided, single submitter clinical testing The p.G69R variant (also known as c.205G>A), located in coding exon 2 of the USB1 gene, results from a G to A substitution at nucleotide position 205. The glycine at codon 69 is replaced by arginine, an amino acid with dissimilar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Based on the available evidence, the clinical significance of this variant remains unclear.

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