ClinVar Miner

Submissions for variant NM_014140.3(SMARCAL1):c.2448C>A (p.Asp816Glu) (rs1057524681)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000431974 SCV000536224 likely pathogenic not provided 2017-01-24 criteria provided, single submitter clinical testing The D816E variant in the SMARCAL1 gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. The D816E variant was not observed in approximately 6500 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 D816E variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. However, this substitution occurs at a position within the Helicase C-terminal domain that is conserved across species, and in silico analysis predicts this variant is probably damaging to the protein structure/function. In addition, missense variants in a nearby residue (R820H and R820L) have been reported in the Human Gene Mutation Database in association with SMARCAL1-related disorders (Stenson et al., 2014), supporting the functional importance of this region of the protein. The D816E variant is a strong candidate for a pathogenic variant, however the possibility it may be a rare benign variant cannot be excluded.

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