rs774128939
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PM1PM2BP4BS1_Supporting
The NM_001199799.2(ILDR1):c.352C>T(p.Arg118Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000454 in 1,562,362 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_001199799.2 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000272 AC: 4AN: 146818Hom.: 0 Cov.: 31
GnomAD3 exomes AF: 0.000199 AC: 50AN: 251062Hom.: 0 AF XY: 0.000177 AC XY: 24AN XY: 135734
GnomAD4 exome AF: 0.0000473 AC: 67AN: 1415544Hom.: 1 Cov.: 34 AF XY: 0.0000426 AC XY: 30AN XY: 703818
GnomAD4 genome AF: 0.0000272 AC: 4AN: 146818Hom.: 0 Cov.: 31 AF XY: 0.0000140 AC XY: 1AN XY: 71202
ClinVar
Submissions by phenotype
not provided Uncertain:3
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 118 of the ILDR1 protein (p.Arg118Trp). This variant is present in population databases (rs774128939, gnomAD 0.2%), including at least one homozygous and/or hemizygous individual. This variant has not been reported in the literature in individuals affected with ILDR1-related conditions. ClinVar contains an entry for this variant (Variation ID: 289899). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. 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. -
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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 -
not specified Uncertain:1
The p.Arg118Trp variant in ILDR1 has not been previously reported in individuals with hearing loss, but has been reported in ClinVar (Variation ID# 289899) as o f uncertain clinical significance. This variant has been identified in 0.2% (53/ 33566) of Latino chromosomes including one homozygote by the Genome Aggregation Database (gnomAD, http://gnomAD.broadinstitute.org; dbSNP rs774128939). Although this variant has been seen in the general population, its frequency is not high enough to rule out a pathogenic role. Computational prediction tools and conse rvation analysis suggest that the p.Arg118Trp variant may impact the protein, th ough this information is not predictive enough to determine pathogenicity. In su mmary, the clinical significance of the p.Arg118Trp variant is uncertain. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at