ClinVar Miner

Submissions for variant NM_004415.4(DSP):c.6907G>C (p.Asp2303His)

dbSNP: rs794728131
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000181345 SCV000233643 likely pathogenic not provided 2014-07-28 criteria provided, single submitter clinical testing p.Asp2303His (GAT>CAT): c.6907 G>C in exon 24 of the DSP gene (NM_004415.2). D2303H has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The D2303H variant was not observed in approximately 6,500 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 D2303H 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 the protein structure/function. Furthermore, a missense mutations in nearby residue (A2294G) has 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 ARRHYTHMIA panel(s).

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