ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.-68G>A

gnomAD frequency: 0.00002  dbSNP: rs746182035
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001036356 SCV001199716 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 cysteine with tyrosine at codon 17 of the SYNJ1 protein (p.Cys17Tyr). The cysteine residue is weakly conserved and there is a large physicochemical difference between cysteine and tyrosine. While this variant is present in population databases (rs746182035), the frequency information is unreliable, as metrics indicate poor data quality 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). 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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