ClinVar Miner

Submissions for variant NM_001371596.2(MFSD8):c.598T>C (p.Trp200Arg)

dbSNP: rs2148907604
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001992752 SCV002224535 uncertain significance Neuronal ceroid lipofuscinosis 7 2022-10-05 criteria provided, single submitter clinical testing This sequence change replaces tryptophan, which is neutral and slightly polar, with arginine, which is basic and polar, at codon 200 of the MFSD8 protein (p.Trp200Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MFSD8-related conditions. ClinVar contains an entry for this variant (Variation ID: 1446128). 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 MFSD8 protein function. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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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