ClinVar Miner

Submissions for variant NM_021957.4(GYS2):c.925C>T (p.Arg309Ter)

gnomAD frequency: 0.00001  dbSNP: rs267603422
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000693335 SCV000821200 pathogenic Glycogen storage disorder due to hepatic glycogen synthase deficiency 2023-08-16 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Arg309*) in the GYS2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in GYS2 are known to be pathogenic (PMID: 9691087). This variant is present in population databases (rs267603422, gnomAD 0.009%). This variant has not been reported in the literature in individuals affected with GYS2-related conditions. ClinVar contains an entry for this variant (Variation ID: 78954). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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