ClinVar Miner

Submissions for variant NM_022168.4(IFIH1):c.596G>T (p.Gly199Val)

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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 RCV003784956 SCV004576076 uncertain significance Singleton-Merten syndrome 1; Aicardi-Goutieres syndrome 7 2023-05-27 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) 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 IFIH1 protein function. This variant has not been reported in the literature in individuals affected with IFIH1-related conditions. This variant is present in population databases (rs753834225, gnomAD 0.04%), and has an allele count higher than expected for a pathogenic variant. This sequence change replaces glycine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 199 of the IFIH1 protein (p.Gly199Val).

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