ClinVar Miner

Submissions for variant NM_017612.5(ZCCHC8):c.1652G>A (p.Gly551Asp)

gnomAD frequency: 0.00038  dbSNP: rs200494647
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001878508 SCV002122206 uncertain significance not provided 2023-12-11 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 551 of the ZCCHC8 protein (p.Gly551Asp). This variant is present in population databases (rs200494647, gnomAD 0.07%), and has an allele count higher than expected for a pathogenic variant. This variant has not been reported in the literature in individuals affected with ZCCHC8-related conditions. ClinVar contains an entry for this variant (Variation ID: 1357971). 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 ZCCHC8 protein function with a negative predictive value of 80%. 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.
PreventionGenetics, part of Exact Sciences RCV003956415 SCV004769463 likely benign ZCCHC8-related disorder 2022-06-01 no assertion criteria provided clinical testing This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications).

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