ClinVar Miner

Submissions for variant NM_000487.6(ARSA):c.449C>G (p.Pro150Arg)

dbSNP: rs199476375
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000698866 SCV000827555 pathogenic Metachromatic leukodystrophy 2024-07-23 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with arginine, which is basic and polar, at codon 150 of the ARSA protein (p.Pro150Arg). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with metachromatic leukodystrophy (PMID: 23845948, 26462614, 30828547). It has also been observed to segregate with disease in related individuals. This variant is also known as p.Pro148Arg. ClinVar contains an entry for this variant (Variation ID: 576385). 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) performed at Invitae indicates that this missense variant is expected to disrupt ARSA protein function with a positive predictive value of 95%. This variant disrupts the p.Pro150 amino acid residue in ARSA. Other variant(s) that disrupt this residue have been observed in individuals with ARSA-related conditions (PMID: 10381328, 18786133), which suggests that this may be a clinically significant amino acid residue. For these reasons, this variant has been classified as Pathogenic.
Natera, Inc. RCV000698866 SCV002081677 likely pathogenic Metachromatic leukodystrophy 2021-06-11 no assertion criteria provided clinical testing
Gelb Laboratory, University of Washington RCV000698866 SCV005046632 not provided Metachromatic leukodystrophy no assertion provided in vitro

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