ClinVar Miner

Submissions for variant NM_000255.4(MMUT):c.754-2A>G

dbSNP: rs1405705785
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000667997 SCV000792535 likely pathogenic Methylmalonic aciduria due to methylmalonyl-CoA mutase deficiency 2017-06-30 criteria provided, single submitter clinical testing
Invitae RCV001855492 SCV002243950 pathogenic not provided 2023-11-30 criteria provided, single submitter clinical testing This sequence change affects an acceptor splice site in intron 3 of the MUT gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in MUT are known to be pathogenic (PMID: 15781192). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individual(s) with methylmalonic aciduria (PMID: 27233228). ClinVar contains an entry for this variant (Variation ID: 552691). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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