ClinVar Miner

Submissions for variant NM_016169.4(SUFU):c.229G>A (p.Val77Met)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV003477382 SCV004221305 uncertain significance not provided 2023-05-26 criteria provided, single submitter clinical testing In the published literature, this variant has been reported in an individual with Joubert Syndrome (PMID: 28965847 (2017)). This variant has not been reported in large, multi-ethnic general populations (Genome Aggregation Database, http://gnomad.broadinstitute.org). Analysis of this variant using bioinformatics tools for the prediction of the effect of amino acid changes on protein structure and function yielded predictions that this variant is benign. Based on the available information, we are unable to determine the clinical significance of this variant.
Labcorp Genetics (formerly Invitae), Labcorp RCV003779187 SCV004578093 uncertain significance Gorlin syndrome; Medulloblastoma 2024-11-04 criteria provided, single submitter clinical testing This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 77 of the SUFU protein (p.Val77Met). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with Joubert syndrome (PMID: 28965847). ClinVar contains an entry for this variant (Variation ID: 2682090). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt SUFU 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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