ClinVar Miner

Submissions for variant NM_000527.5(LDLR):c.952T>C (p.Cys318Arg)

dbSNP: rs879254738
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
LDLR-LOVD, British Heart Foundation RCV000237858 SCV000295109 likely pathogenic Hypercholesterolemia, familial, 1 2016-03-25 criteria provided, single submitter literature only
GeneDx RCV000521691 SCV000617504 pathogenic not provided 2017-09-15 criteria provided, single submitter clinical testing The C318R pathogenic variant in the LDLR gene, reported as C297R due to alternate nomenclature, has been reported in association with FH (Bertolini et al., 2000). This variant is not observed in large population cohorts (Lek et al., 2016; 1000 Genomes Consortium et al., 2015; Exome Variant Server). The C318R 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. Located in the EGF-like domain, this substitution occurs at a position that is conserved across species, and in silico analysis predicts this variant is probably damaging to the protein structure/function. Finally, missense variants in the same residue (C318F, C318Y) and in nearby residues (C313Y, C313W, N316S, N316T, N322I, G323S) have been reported in the Human Gene Mutation Database in association with FH (Stenson et al., 2014), supporting the functional importance of this residue and region of the protein.

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