ClinVar Miner

Submissions for variant NM_022168.4(IFIH1):c.2744G>A (p.Cys915Tyr)

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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 RCV002918250 SCV003255574 uncertain significance Singleton-Merten syndrome 1; Aicardi-Goutieres syndrome 7 2023-08-24 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with IFIH1-related conditions. 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. ClinVar contains an entry for this variant (Variation ID: 2047713). This missense change has been observed in at least one individual who was not affected with IFIH1-related conditions (Invitae). This variant is not present in population databases (gnomAD no frequency). This sequence change replaces cysteine, which is neutral and slightly polar, with tyrosine, which is neutral and polar, at codon 915 of the IFIH1 protein (p.Cys915Tyr).
GeneDx RCV003235747 SCV003932994 uncertain significance not provided 2024-07-12 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

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