ClinVar Miner

Submissions for variant NM_000553.6(WRN):c.919A>T (p.Thr307Ser)

gnomAD frequency: 0.00001  dbSNP: rs1002222882
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000544632 SCV000629750 uncertain significance Werner syndrome 2024-10-15 criteria provided, single submitter clinical testing This sequence change replaces threonine, which is neutral and polar, with serine, which is neutral and polar, at codon 307 of the WRN protein (p.Thr307Ser). This variant is not present in population databases (gnomAD no frequency). 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: 458504). An algorithm developed to predict the effect of missense changes on protein structure and function outputs the following: PolyPhen-2: "Benign". The serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.
Ambry Genetics RCV004678738 SCV005175148 uncertain significance Inborn genetic diseases 2024-06-19 criteria provided, single submitter clinical testing The c.919A>T (p.T307S) alteration is located in exon 9 (coding exon 8) of the WRN gene. This alteration results from a A to T substitution at nucleotide position 919, causing the threonine (T) at amino acid position 307 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
GenomeConnect - Invitae Patient Insights Network RCV001535594 SCV001749596 not provided not provided no assertion provided phenotyping only Variant interpreted as Uncertain significance and reported on 11-11-2020 by Invitae. GenomeConnect-Invitae Patient Insights Network assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. Registry team members make no attempt to reinterpret the clinical significance of the variant. Phenotypic details are available under supporting information.

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