ClinVar Miner

Submissions for variant NM_001354604.2(MITF):c.564C>A (p.Asn188Lys)

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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 RCV002633171 SCV003510791 uncertain significance Tietz syndrome; Waardenburg syndrome type 2A; Melanoma, cutaneous malignant, susceptibility to, 8 2024-01-24 criteria provided, single submitter clinical testing This sequence change replaces asparagine, which is neutral and polar, with lysine, which is basic and polar, at codon 81 of the MITF protein (p.Asn81Lys). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MITF-related conditions. ClinVar contains an entry for this variant (Variation ID: 2192398). 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 MITF 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.
GeneDx RCV003149055 SCV003837337 uncertain significance not provided 2022-09-02 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

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