ClinVar Miner

Submissions for variant NM_000020.3(ACVRL1):c.1411T>G (p.Cys471Gly)

dbSNP: rs1940955180
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001313821 SCV001504328 pathogenic Telangiectasia, hereditary hemorrhagic, type 2 2024-04-15 criteria provided, single submitter clinical testing This sequence change replaces cysteine, which is neutral and slightly polar, with glycine, which is neutral and non-polar, at codon 471 of the ACVRL1 protein (p.Cys471Gly). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with hereditary hemorrhagic telangiectasia (Invitae). ClinVar contains an entry for this variant (Variation ID: 1015010). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt ACVRL1 protein function with a positive predictive value of 95%. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant disrupts the p.Cys471 amino acid residue in ACVRL1. Other variant(s) that disrupt this residue have been determined to be pathogenic (Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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