ClinVar Miner

Submissions for variant NM_203446.2(SYNJ1):c.12A>T (p.Arg4Ser)

dbSNP: rs1456208463
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001936148 SCV002201612 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2021-08-27 criteria provided, single submitter clinical testing This sequence change replaces arginine with serine at codon 4 of the SYNJ1 protein (p.Arg4Ser). The arginine residue is weakly conserved and there is a moderate physicochemical difference between arginine 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 SYNJ1-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Deleterious"; PolyPhen-2: "Benign"; 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. 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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