ClinVar Miner

Submissions for variant NM_001134363.3(RBM20):c.1867C>T (p.Arg623Trp)

gnomAD frequency: 0.00003  dbSNP: rs794729148
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000183858 SCV000236340 likely pathogenic not provided 2014-07-16 criteria provided, single submitter clinical testing p.Arg623Trp (CGG>TGG): c.1867 C>T in exon 8 of the RBM20 gene (NM_001134363.1). It has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The R623W variant was not observed in approximately 2,200 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The R623W variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. In silico analysis predicts this variant is probably damaging to protein structure/function. Missense mutations in a nearby residue (R634Q, R634W) have been reported in association with DCM, supporting the functional importance of this region of the protein. Therefore, this variant is a strong candidate for a pathogenic mutation, however the possibility that it is a benign variant cannot be excluded. The variant is found in DCM-CRDM panel(s).
Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute RCV000183858 SCV001433494 uncertain significance not provided 2020-01-21 criteria provided, single submitter clinical testing

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