ClinVar Miner

Submissions for variant NM_144997.7(FLCN):c.403C>G (p.Pro135Ala)

dbSNP: rs1483740746
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001368772 SCV001565183 uncertain significance Birt-Hogg-Dube syndrome 2024-07-16 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 135 of the FLCN protein (p.Pro135Ala). 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: 1059483). 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on FLCN 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 RCV003169886 SCV003887411 uncertain significance Hereditary cancer-predisposing syndrome 2023-01-16 criteria provided, single submitter clinical testing The p.P135A variant (also known as c.403C>G), located in coding exon 3 of the FLCN gene, results from a C to G substitution at nucleotide position 403. The proline at codon 135 is replaced by alanine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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