ClinVar Miner

Submissions for variant NM_000171.4(GLRA1):c.284A>C (p.Gln95Pro)

gnomAD frequency: 0.00001  dbSNP: rs1131691474
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000494602 SCV000582193 likely pathogenic not provided 2015-10-27 criteria provided, single submitter clinical testing The Q95P variant in the GLRA1 gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. The Q95P 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 Q95P 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 in mammals. In silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function. Missense variants in nearby residues (R93L, R93W, W96C) have been reported in the Human Gene Mutation Database in association with hyperekplexia (Stenson et al., 2014), supporting the functional importance of this region of the protein. The Q95P 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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