ClinVar Miner

Submissions for variant NM_000263.4(NAGLU):c.313G>A (p.Gly105Ser)

dbSNP: rs1181544224
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001211593 SCV001383140 uncertain significance Mucopolysaccharidosis, MPS-III-B; Charcot-Marie-Tooth disease axonal type 2V 2021-08-27 criteria provided, single submitter clinical testing This sequence change replaces glycine with serine at codon 105 of the NAGLU protein (p.Gly105Ser). The glycine residue is weakly conserved and there is a small physicochemical difference between glycine and serine. 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 variant has not been reported in the literature in individuals affected with NAGLU-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0". The serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect 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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