ClinVar Miner

Submissions for variant NM_033380.3(COL4A5):c.1001G>T (p.Gly334Val)

dbSNP: rs104886093
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001055650 SCV001220050 pathogenic not provided 2021-06-09 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. 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 variant has been observed in individual(s) with Alport syndrome (PMID: 18616531, 26809805). ClinVar contains an entry for this variant (Variation ID: 24355). This variant is not present in population databases (ExAC no frequency). This sequence change replaces glycine with valine at codon 334 of the COL4A5 protein (p.Gly334Val). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and valine.

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