ClinVar Miner

Submissions for variant NM_000088.3(COL1A1):c.35T>G (p.Leu12Arg) (rs1555575857)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000525857 SCV000627245 likely pathogenic Osteogenesis imperfecta type I 2017-08-16 criteria provided, single submitter clinical testing This sequence change replaces leucine with arginine at codon 12 of the COL1A1 protein (p.Leu12Arg). The leucine residue is highly conserved and there is a moderate physicochemical difference between leucine and arginine. This variant is not present in population databases (ExAC no frequency). This variant has been found to be de novo in an individual affected with COL1A1-related disease (Invitae). Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Unknown"; Align-GVGD: "Class C65"). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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