ClinVar Miner

Submissions for variant NM_001114753.3(ENG):c.688G>A (p.Gly230Arg)

dbSNP: rs546671241
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001350992 SCV001545423 uncertain significance Hereditary hemorrhagic telangiectasia 2022-08-27 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 230 of the ENG protein (p.Gly230Arg). This variant is present in population databases (rs546671241, gnomAD 0.01%). This missense change has been observed in individual(s) with nosebleed (PMID: 25312062). ClinVar contains an entry for this variant (Variation ID: 1046434). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The arginine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. Experimental studies have shown that this missense change does not substantially affect ENG function (PMID: 25312062). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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