ClinVar Miner

Submissions for variant NM_152564.5(VPS13B):c.3210G>C (p.Gln1070His)

dbSNP: rs1411916211
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001934701 SCV002133923 uncertain significance Cohen syndrome 2021-01-06 criteria provided, single submitter clinical testing 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. Nucleotide substitutions within the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site, but this prediction has not been confirmed by published transcriptional studies. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Not Available"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Not Available"). This variant has not been reported in the literature in individuals with VPS13B-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamine with histidine at codon 1070 of the VPS13B protein (p.Gln1070His). The glutamine residue is moderately conserved and there is a small physicochemical difference between glutamine and histidine. This variant also falls at the last nucleotide of exon 22, which is part of the consensus splice site for this exon.

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