ClinVar Miner

Submissions for variant NM_000255.4(MMUT):c.2196_2197insCGGCA (p.Val733fs)

dbSNP: rs1766985866
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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 RCV001231781 SCV001404313 uncertain significance Methylmalonic aciduria due to methylmalonyl-CoA mutase deficiency 2019-08-21 criteria provided, single submitter clinical testing This sequence change results in a frameshift in the MUT gene (p.Val733Argfs*27). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 18 amino acids of the MUT protein and extend the protein by an additional 8 amino acids. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with MUT-related conditions. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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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