ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.*661G>A

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002611561 SCV003504905 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2022-06-29 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 1564 of the SYNJ1 protein (p.Gly1564Ser). This variant is present in population databases (rs577292452, gnomAD 0.1%). 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: "Tolerated"; 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.
Ambry Genetics RCV004069116 SCV004961688 uncertain significance Inborn genetic diseases 2021-10-26 criteria provided, single submitter clinical testing The c.4690G>A (p.G1564S) alteration is located in exon 32 (coding exon 32) of the SYNJ1 gene. This alteration results from a G to A substitution at nucleotide position 4690, causing the glycine (G) at amino acid position 1564 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

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