ClinVar Miner

Submissions for variant NM_144997.7(FLCN):c.737G>A (p.Ser246Asn)

dbSNP: rs1555609798
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000556357 SCV000632888 uncertain significance Birt-Hogg-Dube syndrome 2021-11-29 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with asparagine, which is neutral and polar, at codon 246 of the FLCN protein (p.Ser246Asn). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with FLCN-related conditions. ClinVar contains an entry for this variant (Variation ID: 460630). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The asparagine 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 RCV002384081 SCV002672103 uncertain significance Hereditary cancer-predisposing syndrome 2021-12-08 criteria provided, single submitter clinical testing The p.S246N variant (also known as c.737G>A), located in coding exon 4 of the FLCN gene, results from a G to A substitution at nucleotide position 737. The serine at codon 246 is replaced by asparagine, an amino acid with highly similar properties. This amino acid position is not 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.

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