ClinVar Miner

Submissions for variant NM_001081.4(CUBN):c.2791G>A (p.Ala931Thr)

dbSNP: rs1042319182
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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 RCV001919361 SCV002189941 uncertain significance Imerslund-Grasbeck syndrome 2021-08-27 criteria provided, single submitter clinical testing This sequence change replaces alanine with threonine at codon 931 of the CUBN protein (p.Ala931Thr). The alanine residue is weakly conserved and there is a small physicochemical difference between alanine and threonine. This variant also falls at the last nucleotide of exon 20, which is part of the consensus splice site for this exon. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with CUBN-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. Variants that disrupt 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. 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.
Fulgent Genetics, Fulgent Genetics RCV002503616 SCV002779928 uncertain significance Imerslund-Grasbeck syndrome type 1; Proteinuria, chronic benign 2021-07-06 criteria provided, single submitter clinical testing

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