ClinVar Miner

Submissions for variant NM_022132.5(MCCC2):c.1273A>G (p.Met425Val)

dbSNP: rs766591766
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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 RCV000540369 SCV000644142 uncertain significance 3-methylcrotonyl-CoA carboxylase 2 deficiency 2021-05-03 criteria provided, single submitter clinical testing This sequence change replaces methionine with valine at codon 425 of the MCCC2 protein (p.Met425Val). The methionine residue is highly conserved and there is a small physicochemical difference between methionine and valine. This variant is present in population databases (rs766591766, ExAC 0.02%) but has not been reported in the literature in individuals with a MCCC2-related disease. In summary, this variant is a rare missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of sequence changes on mRNA splicing suggest that this variant may alter mRNA splicing, 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 do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0").
Natera, Inc. RCV000540369 SCV002084919 uncertain significance 3-methylcrotonyl-CoA carboxylase 2 deficiency 2019-11-11 no assertion criteria provided clinical testing

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