ClinVar Miner

Submissions for variant NM_000136.3(FANCC):c.866C>T (p.Ala289Val)

dbSNP: rs777732881
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000484257 SCV000566622 uncertain significance not provided 2021-09-21 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Ambry Genetics RCV002446921 SCV002683345 uncertain significance Hereditary cancer-predisposing syndrome 2022-09-08 criteria provided, single submitter clinical testing The p.A289V variant (also known as c.866C>T), located in coding exon 8 of the FANCC gene, results from a C to T substitution at nucleotide position 866. The alanine at codon 289 is replaced by valine, an amino acid with similar properties. This amino acid position is well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Labcorp Genetics (formerly Invitae), Labcorp RCV002526536 SCV003516247 uncertain significance Fanconi anemia 2022-05-26 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 289 of the FANCC protein (p.Ala289Val). This variant is present in population databases (rs777732881, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with FANCC-related conditions. ClinVar contains an entry for this variant (Variation ID: 419068). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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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