ClinVar Miner

Submissions for variant NM_022132.5(MCCC2):c.1549G>A (p.Gly517Arg)

gnomAD frequency: 0.00002  dbSNP: rs979584886
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001376966 SCV001574175 likely pathogenic 3-methylcrotonyl-CoA carboxylase 2 deficiency 2023-07-24 criteria provided, single submitter clinical testing This missense change has been observed in individual(s) with 3 methylcrotonyl-CoA carboxylase deficiency (PMID: 21071250). This variant is present in population databases (no rsID available, gnomAD 0.01%). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 517 of the MCCC2 protein (p.Gly517Arg). ClinVar contains an entry for this variant (Variation ID: 1066068). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt MCCC2 protein function.

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