ClinVar Miner

Submissions for variant NM_033380.3(COL4A5):c.1217G>T (p.Gly406Val)

dbSNP: rs104886100
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001389670 SCV001591118 pathogenic not provided 2022-05-15 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts the triple helix domain of COL4A5. Glycine residues within the Gly-Xaa-Yaa repeats of the triple helix domain are required for the structure and stability of fibrillar collagens (PMID: 7695699, 8218237, 19344236). In COL4A5, missense variants at these glycine residues are significantly enriched in individuals with disease (PMID: 23720012, 27627812) compared to the general population (ExAC). This sequence change replaces glycine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 406 of the COL4A5 protein (p.Gly406Val). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with Alport syndrome (PMID: 7599631; Invitae). This variant is also known as c.1420G>T, G406V. ClinVar contains an entry for this variant (Variation ID: 24383). 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 COL4A5 protein function.
Fulgent Genetics, Fulgent Genetics RCV002504817 SCV002813827 pathogenic X-linked Alport syndrome 2021-12-09 criteria provided, single submitter clinical testing

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