ClinVar Miner

Submissions for variant NM_000532.5(PCCB):c.737G>T (p.Gly246Val)

dbSNP: rs2108197348
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001389822 SCV001591312 pathogenic Propionic acidemia 2021-08-28 criteria provided, single submitter clinical testing This sequence change replaces glycine with valine at codon 246 of the PCCB protein (p.Gly246Val). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and valine. For these reasons, this variant has been classified as Pathogenic. Experimental studies have shown that this variant affects PCCB protein function (PMID: 15949719). 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 PCCB protein function. This variant has been observed in individual(s) with propionic acidemia (PMID: 12559849, 21125326, Invitae). In at least one individual the data is consistent with the variant being in trans (on the opposite chromosome) from a pathogenic variant. This variant is not present in population databases (ExAC no frequency).

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