ClinVar Miner

Submissions for variant NM_000255.4(MMUT):c.850G>A (p.Gly284Arg)

dbSNP: rs761477436
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
University Children's Hospital, University of Zurich RCV000235506 SCV000262794 pathogenic Methylmalonic aciduria due to methylmalonyl-CoA mutase deficiency criteria provided, single submitter clinical testing
Invitae RCV002517408 SCV003439392 pathogenic not provided 2022-11-29 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts the p.Gly284 amino acid residue in MUT. Other variant(s) that disrupt this residue have been observed in individuals with MUT-related conditions (PMID: 27167370), which suggests that this may be a clinically significant amino acid residue. 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 MUT protein function. ClinVar contains an entry for this variant (Variation ID: 222922). This missense change has been observed in individual(s) with methylmalonic aciduria (PMID: 27167370, 32754920). This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 284 of the MUT protein (p.Gly284Arg).

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