ClinVar Miner

Submissions for variant NM_203446.3(SYNJ1):c.2981C>A (p.Thr994Lys)

gnomAD frequency: 0.00002  dbSNP: rs776726487
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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 RCV000819595 SCV000960263 uncertain significance Early-onset Parkinson disease 20; Developmental and epileptic encephalopathy, 53 2022-10-14 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt SYNJ1 protein function. ClinVar contains an entry for this variant (Variation ID: 662045). This variant has not been reported in the literature in individuals affected 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 gnomAD database. This sequence change replaces threonine, which is neutral and polar, with lysine, which is basic and polar, at codon 1033 of the SYNJ1 protein (p.Thr1033Lys).

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