ClinVar Miner

Submissions for variant NM_000203.5(IDUA):c.94G>T (p.Val32Leu)

dbSNP: rs566741452
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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 RCV002039053 SCV002312608 uncertain significance Mucopolysaccharidosis type 1 2021-07-12 criteria provided, single submitter clinical testing 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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0". The leucine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with IDUA-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This sequence change replaces valine with leucine at codon 32 of the IDUA protein (p.Val32Leu). The valine residue is moderately conserved and there is a small physicochemical difference between valine and leucine.

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