ClinVar Miner

Submissions for variant NM_005445.4(SMC3):c.2636G>C (p.Arg879Pro)

dbSNP: rs797045996
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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 RCV000194687 SCV005747926 uncertain significance Cornelia de Lange syndrome 3 2024-03-27 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with proline, which is neutral and non-polar, at codon 879 of the SMC3 protein (p.Arg879Pro). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with SMC3-related conditions. ClinVar contains an entry for this variant (Variation ID: 212272). 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 SMC3 protein function with a positive 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.
Genetic Services Laboratory, University of Chicago RCV000194687 SCV000248990 likely pathogenic Cornelia de Lange syndrome 3 2015-03-30 criteria provided, single submitter clinical testing

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