ClinVar Miner

Submissions for variant NM_000020.3(ACVRL1):c.121T>G (p.Cys41Gly)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001382876 SCV001581831 pathogenic Telangiectasia, hereditary hemorrhagic, type 2 2020-08-22 criteria provided, single submitter clinical testing This sequence change replaces cysteine with glycine at codon 41 of the ACVRL1 protein (p.Cys41Gly). The cysteine residue is highly conserved and there is a large physicochemical difference between cysteine and glycine. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with hereditary hemorrhagic telangiectasia (PMID: 26176610, Invitae). 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. This variant has been reported to affect ACVRL1 protein function (PMID: 26176610). This variant disrupts the p.Cys41 amino acid residue in ACVRL1. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 26176610). 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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