ClinVar Miner

Submissions for variant NM_000020.3(ACVRL1):c.1120C>G (p.Arg374Gly)

dbSNP: rs28936401
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001217789 SCV001389641 likely pathogenic Telangiectasia, hereditary hemorrhagic, type 2 2019-06-27 criteria provided, single submitter clinical testing 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. This variant disrupts the p.Arg374 amino acid residue in ACVRL1. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 12700602, 18285823, 21158752, 25970827, 9245985, 23722869,15375013, 22991266, 15065824, 23805858). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has been observed in an individual affected with hereditary hemorrhagic telangiectasia (Invitae). This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with glycine at codon 374 of the ACVRL1 protein (p.Arg374Gly). The arginine residue is highly conserved and there is a moderate physicochemical difference between arginine and glycine.

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