ClinVar Miner

Submissions for variant NM_014009.4(FOXP3):c.773C>T (p.Ala258Val)

gnomAD frequency: 0.00003  dbSNP: rs369698589
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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 RCV000635247 SCV000756633 uncertain significance Insulin-dependent diabetes mellitus secretory diarrhea syndrome 2024-01-19 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 258 of the FOXP3 protein (p.Ala258Val). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with FOXP3-related conditions. ClinVar contains an entry for this variant (Variation ID: 529768). 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 FOXP3 protein function with a negative predictive value of 80%. 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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