ClinVar Miner

Submissions for variant NM_006440.5(TXNRD2):c.1142G>A (p.Arg381Gln)

dbSNP: rs774909194
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000628806 SCV000749713 uncertain significance Primary dilated cardiomyopathy 2023-10-10 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 381 of the TXNRD2 protein (p.Arg381Gln). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with TXNRD2-related conditions. ClinVar contains an entry for this variant (Variation ID: 524919). 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on TXNRD2 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.
Ambry Genetics RCV003302971 SCV003997892 uncertain significance Cardiovascular phenotype 2023-05-27 criteria provided, single submitter clinical testing The p.R381Q variant (also known as c.1142G>A), located in coding exon 13 of the TXNRD2 gene, results from a G to A substitution at nucleotide position 1142. The arginine at codon 381 is replaced by glutamine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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