ClinVar Miner

Submissions for variant NM_001360.3(DHCR7):c.1039G>A (p.Gly347Ser)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003062427 SCV003440566 pathogenic Smith-Lemli-Opitz syndrome 2022-06-17 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as 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 DHCR7 protein function. This missense change has been observed in individual(s) with Smith–Lemli–Opitz syndrome (PMID: 15776424, 33204589). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. It has also been observed to segregate with disease in related individuals. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 347 of the DHCR7 protein (p.Gly347Ser).

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