rs727503750
Variant summary
Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4
The NM_006005.3(WFS1):c.1396G>A(p.Gly466Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000174 in 1,612,004 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. G466G) has been classified as Likely benign.
Frequency
Consequence
NM_006005.3 missense
Scores
Clinical Significance
Conservation
Publications
- Wolfram-like syndromeInheritance: AD, AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp, Ambry Genetics, ClinGen, Orphanet
- Wolfram syndromeInheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
- autosomal dominant nonsyndromic hearing loss 6Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
- cataract 41Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
- Wolfram syndrome 1Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
- autosomal dominant nonsyndromic hearing lossInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- early-onset nuclear cataractInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- type 2 diabetes mellitusInheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
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ACMG classification
Our verdict: Likely_benign. The variant received -1 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| WFS1 | NM_006005.3 | c.1396G>A | p.Gly466Ser | missense_variant | Exon 8 of 8 | ENST00000226760.5 | NP_005996.2 | |
| WFS1 | NM_001145853.1 | c.1396G>A | p.Gly466Ser | missense_variant | Exon 8 of 8 | NP_001139325.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152164Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.00000801 AC: 2AN: 249726 AF XY: 0.0000148 show subpopulations
GnomAD4 exome AF: 0.0000178 AC: 26AN: 1459840Hom.: 0 Cov.: 103 AF XY: 0.0000207 AC XY: 15AN XY: 726286 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152164Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1AN XY: 74330 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:2
The p.Gly466Ser variant (rs727503750) has not been reported in the medical literature, nor has it been previously identified in our laboratory. The p.Gly466Ser variant is also listed in the Genome Aggregation Database (gnomAD) browser with an overall allele frequency of 0.00082% (identified in 2 out of 244,534 chromosomes), and is classified as a variant of uncertain significance in ClinVar (Variant ID: 166589). The glycine at codon 466 is moderately conserved considering 12 species (Alamut software v2.10.0), and computational analyses predict conflicting effects of this variant on protein structure/function (SIFT: tolerated, PolyPhen2: benign, MutationTaster: disease causing). Based on the available information, the clinical significance of the p.Gly466Ser variant cannot be determined with certainty. -
This variant is not present in population databases (ExAC no frequency). This sequence change replaces glycine with serine at codon 466 of the WFS1 protein (p.Gly466Ser). The glycine residue is moderately conserved and there is a small physicochemical difference between glycine and serine. This variant has not been reported in the literature in individuals affected with WFS1-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) performed at Invitae indicates that this missense variant is not expected to disrupt WFS1 protein function. ClinVar contains an entry for this variant (Variation ID: 166589). -
not specified Uncertain:1
Variant classified as Uncertain Significance - Favor Benign. The Gly466Ser varia nt in WFS1 has not been previously reported in individuals with hearing loss and was absent from large population studies. Computational prediction tools and co nservation analyses suggest that the Gly466Ser variant may not impact the protei n, though this information is not predictive enough to rule out pathogenicity. I n summary, while the clinical significance of the Gly466Ser variant is uncertain , the computational and conservation data suggest that it is more likely to be b enign. -
Type 2 diabetes mellitus;C1833021:Autosomal dominant nonsyndromic hearing loss 6;C3280358:Wolfram-like syndrome;C3805412:Cataract 41;C4551693:Wolfram syndrome 1 Uncertain:1
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Wolfram syndrome 1 Uncertain:1
Potent mutations in WFS1 gene are associated with Wolfram's syndrome, an autosomal recessive condition, which cause diabetes mellitus, diabetes insipidus, deafness and optic atrophy. However no sufficient evidence is found to ascertain the role of this particular variant rs727503750 in Wolfram's syndrome yet. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at