ClinVar Miner

Submissions for variant NM_000020.3(ACVRL1):c.150G>C (p.Trp50Cys)

dbSNP: rs121909285
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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 RCV001959004 SCV002243831 pathogenic Telangiectasia, hereditary hemorrhagic, type 2 2024-12-10 criteria provided, single submitter clinical testing This sequence change replaces tryptophan, which is neutral and slightly polar, with cysteine, which is neutral and slightly polar, at codon 50 of the ACVRL1 protein (p.Trp50Cys). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with hereditary hemorrhagic telangiectasia (PMID: 9245985, 10767348; internal data). ClinVar contains an entry for this variant (Variation ID: 1459447). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed for this missense variant. However, the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on ACVRL1 protein function. Experimental studies have shown that this missense change affects ACVRL1 function (PMID: 10187774, 14684682). For these reasons, this variant has been classified as Pathogenic.

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