ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.*678C>G

dbSNP: rs760299495
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000820638 SCV000961358 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2023-10-03 criteria provided, single submitter clinical testing This sequence change replaces phenylalanine, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 1569 of the SYNJ1 protein (p.Phe1569Leu). This variant is present in population databases (rs760299495, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with SYNJ1-related conditions. ClinVar contains an entry for this variant (Variation ID: 662893). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The leucine 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.
GeneDx RCV002293489 SCV002586830 uncertain significance not provided 2022-04-21 criteria provided, single submitter clinical testing In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Ambry Genetics RCV002537474 SCV003603299 uncertain significance Inborn genetic diseases 2022-01-27 criteria provided, single submitter clinical testing The c.4707C>G (p.F1569L) alteration is located in exon 32 (coding exon 32) of the SYNJ1 gene. This alteration results from a C to G substitution at nucleotide position 4707, causing the phenylalanine (F) at amino acid position 1569 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

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