ClinVar Miner

Submissions for variant NM_000512.5(GALNS):c.1339G>A (p.Asp447Asn)

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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 RCV003599212 SCV004488392 pathogenic Mucopolysaccharidosis, MPS-IV-A 2023-07-17 criteria provided, single submitter clinical testing This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with mucopolysaccharidosis type IVA (Invitae). 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 GALNS protein function. For these reasons, this variant has been classified as Pathogenic. This sequence change replaces aspartic acid, which is acidic and polar, with asparagine, which is neutral and polar, at codon 447 of the GALNS protein (p.Asp447Asn).

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