ClinVar Miner

Submissions for variant NM_002693.3(POLG):c.2662G>A (p.Gly888Ser)

dbSNP: rs1567186787
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Wong Mito Lab, Molecular and Human Genetics, Baylor College of Medicine RCV000758316 SCV000886974 pathogenic Progressive sclerosing poliodystrophy 2018-10-01 criteria provided, single submitter clinical testing The NM_002693.2:c.2662G>A (NP_002684.1:p.Gly888Ser) [GRCH38: NC_000015.10:g.89321197C>T] variant in POLG gene is interpretated to be a Pathogenic based on ACMG guidelines (PMID: 25741868). This variant meets the following evidence codes reported in the ACMG-guideline. PS1:This variation causes same amino-acid change as an established pathogenic variant. PM1:This variant is in mutational hot spot or a well-studied functional domain without benign variation. PM2:This variant is absent in key population databases. PM3:Detected in trans with a pathogenic variant for Mitochondrial DNA depletion syndrome 4A (Alpers type) which is a recessive disorder. PP1:This variant is co-segregated with Mitochondrial DNA depletion syndrome 4A (Alpers type) in multiple affected family members. PP2:This is a missense variant in POLG with a low rate of benign and high rate of pathogenic missense variations. PP3:Computational evidence/predictors indicate the variant has deleterious effect on POLG structure, function, or protein-protein interaction. PP4:Patient's phenotype or family history is highly specific for POLG. Based on the evidence criteria codes applied, the variant is suggested to be Pathogenic.

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