ClinVar Miner

Submissions for variant NM_001360.3(DHCR7):c.1325A>G (p.His442Arg)

dbSNP: rs1949265616
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001059047 SCV001223651 pathogenic Smith-Lemli-Opitz syndrome 2023-07-14 criteria provided, single submitter clinical testing This sequence change replaces histidine, which is basic and polar, with arginine, which is basic and polar, at codon 442 of the DHCR7 protein (p.His442Arg). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with Smith–Lemli–Opitz syndrome (PMID: 28503313; Invitae). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. ClinVar contains an entry for this variant (Variation ID: 854086). 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. For these reasons, this variant has been classified as Pathogenic.

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