ClinVar Miner

Submissions for variant NM_080632.3(UPF3B):c.1235C>T (p.Ser412Leu)

gnomAD frequency: 0.00002  dbSNP: rs780652469
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV001550748 SCV001771131 likely benign not provided 2018-09-27 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV003512118 SCV004319361 uncertain significance Syndromic X-linked intellectual disability 14 2023-12-20 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with leucine, which is neutral and non-polar, at codon 412 of the UPF3B protein (p.Ser412Leu). This variant is present in population databases (rs780652469, gnomAD 0.02%), including at least one homozygous and/or hemizygous individual. This variant has not been reported in the literature in individuals affected with UPF3B-related conditions. ClinVar contains an entry for this variant (Variation ID: 1190148). 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 UPF3B 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.

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