ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.-57T>G

gnomAD frequency: 0.00010  dbSNP: rs921606190
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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 RCV001294298 SCV001483170 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2022-08-16 criteria provided, single submitter clinical testing This sequence change replaces cysteine, which is neutral and slightly polar, with glycine, which is neutral and non-polar, at codon 21 of the SYNJ1 protein (p.Cys21Gly). This variant is present in population databases (no rsID available, 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: 998439). 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 glycine 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.
Baylor Genetics RCV001333170 SCV001525682 uncertain significance Developmental and epileptic encephalopathy, 53 2018-01-29 criteria provided, single submitter clinical testing This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].

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