ClinVar Miner

Submissions for variant NM_003239.5(TGFB3):c.550C>T (p.Arg184Cys)

gnomAD frequency: 0.00001  dbSNP: rs767125999
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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 RCV002537044 SCV000936904 uncertain significance Rienhoff syndrome 2023-12-07 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 184 of the TGFB3 protein (p.Arg184Cys). This variant is present in population databases (rs767125999, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with TGFB3-related conditions. ClinVar contains an entry for this variant (Variation ID: 643610). 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 TGFB3 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.
GeneDx RCV002305540 SCV002599628 uncertain significance not provided 2022-10-31 criteria provided, single submitter clinical testing Has not been previously published as pathogenic or benign to our knowledge; Not observed at a significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function

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