ClinVar Miner

Submissions for variant NM_000540.3(RYR1):c.2682G>T (p.Pro894=)

gnomAD frequency: 0.00001  dbSNP: rs919322708
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001370546 SCV001567061 uncertain significance RYR1-related disorder 2022-09-12 criteria provided, single submitter clinical testing This sequence change affects codon 894 of the RYR1 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the RYR1 protein. This variant also falls at the last nucleotide of exon 21, which is part of the consensus splice site for this exon. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with RYR1-related conditions. ClinVar contains an entry for this variant (Variation ID: 1061036). Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Fulgent Genetics, Fulgent Genetics RCV002488164 SCV002782951 uncertain significance Central core myopathy; Malignant hyperthermia, susceptibility to, 1; Congenital multicore myopathy with external ophthalmoplegia; Congenital myopathy with fiber type disproportion; King Denborough syndrome 2021-10-25 criteria provided, single submitter clinical testing
GeneDx RCV003235565 SCV003933416 likely pathogenic not provided 2024-02-22 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports a deleterious effect on splicing; Has not been previously published as pathogenic or benign to our knowledge

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