ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.749G>A (p.Arg250Gln)

dbSNP: rs762909719
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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 RCV001208004 SCV001379374 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2019-11-06 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with SYNJ1-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the ExAC database. This sequence change replaces arginine with glutamine at codon 289 of the SYNJ1 protein (p.Arg289Gln). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and glutamine.

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