rs71524375
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1
The NM_006005.3(WFS1):c.2019C>T(p.Cys673=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00324 in 1,613,024 control chromosomes in the GnomAD database, including 136 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.015 ( 74 hom., cov: 34)
Exomes 𝑓: 0.0020 ( 62 hom. )
Consequence
WFS1
NM_006005.3 synonymous
NM_006005.3 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -1.75
Genes affected
WFS1 (HGNC:12762): (wolframin ER transmembrane glycoprotein) This gene encodes a transmembrane protein, which is located primarily in the endoplasmic reticulum and ubiquitously expressed with highest levels in brain, pancreas, heart, and insulinoma beta-cell lines. Mutations in this gene are associated with Wolfram syndrome, also called DIDMOAD (Diabetes Insipidus, Diabetes Mellitus, Optic Atrophy, and Deafness), an autosomal recessive disorder. The disease affects the brain and central nervous system. Mutations in this gene can also cause autosomal dominant deafness 6 (DFNA6), also known as DFNA14 or DFNA38. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Mar 2009]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -21 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.63).
BP6
Variant 4-6301814-C-T is Benign according to our data. Variant chr4-6301814-C-T is described in ClinVar as [Benign]. Clinvar id is 130749.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr4-6301814-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-1.75 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0505 is higher than 0.05.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| WFS1 | NM_006005.3 | c.2019C>T | p.Cys673= | synonymous_variant | 8/8 | ENST00000226760.5 | NP_005996.2 | |
| WFS1 | NM_001145853.1 | c.2019C>T | p.Cys673= | synonymous_variant | 8/8 | NP_001139325.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| WFS1 | ENST00000226760.5 | c.2019C>T | p.Cys673= | synonymous_variant | 8/8 | 1 | NM_006005.3 | ENSP00000226760 | P2 | |
| ENST00000661896.1 | n.1337+2101G>A | intron_variant, non_coding_transcript_variant |
Frequencies
GnomAD3 genomes 0.0153 AC: 2336AN: 152184Hom.: 74 Cov.: 34
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GnomAD3 exomes AF: 0.00403 AC: 1010AN: 250402Hom.: 18 AF XY: 0.00283 AC XY: 383AN XY: 135416
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GnomAD4 exome AF: 0.00198 AC: 2891AN: 1460722Hom.: 62 Cov.: 99 AF XY: 0.00179 AC XY: 1302AN XY: 726736
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GnomAD4 genome 0.0154 AC: 2341AN: 152302Hom.: 74 Cov.: 34 AF XY: 0.0148 AC XY: 1103AN XY: 74492
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ClinVar
Significance: Benign
Submissions summary: Benign:11
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:5
| Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
| Benign, criteria provided, single submitter | clinical testing | Genetic Services Laboratory, University of Chicago | Mar 05, 2013 | - - |
| Benign, criteria provided, single submitter | clinical testing | GeneDx | Dec 26, 2013 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
| Benign, criteria provided, single submitter | clinical testing | Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine | May 07, 2012 | Cys673Cys in Exon 08 of WFS1: This variant is not expected to have clinical sig nificance because it does not alter an amino acid residue, is not located within the splice consensus sequence, and has been identified in 5.4% (202/3738) of Af rican American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS; dbSNP rs71524375). - |
| Benign, criteria provided, single submitter | clinical testing | Athena Diagnostics | Jul 10, 2020 | - - |
not provided Benign:3
| Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 29, 2024 | - - |
| Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
| Benign, criteria provided, single submitter | clinical testing | ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories | Oct 13, 2023 | - - |
WFS1-Related Spectrum Disorders Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Wolfram syndrome 1 Benign:1
| Benign, criteria provided, single submitter | research | Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic | - | 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 rs71524375 yet. - |
Autosomal dominant nonsyndromic hearing loss 6 Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Computational scores
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Name
Calibrated prediction
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at