ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.3410C>T (p.Pro1137Leu)

gnomAD frequency: 0.00001  dbSNP: rs569046864
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000655767 SCV000777698 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2022-08-17 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 1176 of the SYNJ1 protein (p.Pro1176Leu). This variant is present in population databases (rs569046864, gnomAD 0.05%). 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: 544570). 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 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.
Ambry Genetics RCV002536309 SCV003688039 uncertain significance Inborn genetic diseases 2022-02-10 criteria provided, single submitter clinical testing The c.3527C>T (p.P1176L) alteration is located in exon 26 (coding exon 26) of the SYNJ1 gene. This alteration results from a C to T substitution at nucleotide position 3527, causing the proline (P) at amino acid position 1176 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
PreventionGenetics, part of Exact Sciences RCV003411559 SCV004115421 uncertain significance SYNJ1-related disorder 2023-04-11 criteria provided, single submitter clinical testing The SYNJ1 c.3527C>T variant is predicted to result in the amino acid substitution p.Pro1176Leu. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.056% of alleles in individuals of Latino descent in gnomAD (http://gnomad.broadinstitute.org/variant/21-34017298-G-A). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.

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