ClinVar Miner

Submissions for variant NM_001082538.3(TCTN1):c.638T>A (p.Leu213Gln)

dbSNP: rs2066300090
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001035552 SCV001198881 likely pathogenic Familial aplasia of the vermis; Meckel-Gruber syndrome 2023-03-23 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. 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 expected to disrupt TCTN1 protein function. ClinVar contains an entry for this variant (Variation ID: 834795). This missense change has been observed in individual(s) with TCTN1-related conditions (Invitae). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces leucine, which is neutral and non-polar, with glutamine, which is neutral and polar, at codon 213 of the TCTN1 protein (p.Leu213Gln).

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