ClinVar Miner

Submissions for variant NM_000553.6(WRN):c.2822C>A (p.Ser941Tyr)

gnomAD frequency: 0.00004  dbSNP: rs746183898
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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 RCV000633234 SCV000754450 uncertain significance Werner syndrome 2024-11-07 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with tyrosine, which is neutral and polar, at codon 941 of the WRN protein (p.Ser941Tyr). RNA analysis indicates that this missense change induces altered splicing and likely results in the loss of 2 amino acid residue(s), but is expected to preserve the integrity of the reading-frame. This variant is present in population databases (rs746183898, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with WRN-related conditions. ClinVar contains an entry for this variant (Variation ID: 528151). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. Studies have shown that this missense change results in the activation of a cryptic splice site in exon 23 (internal data). 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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