ClinVar Miner

Submissions for variant NM_001845.6(COL4A1):c.3977G>T (p.Gly1326Val)

dbSNP: rs886041714
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000341462 SCV000330449 pathogenic not provided 2016-04-26 criteria provided, single submitter clinical testing The G1326V variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. This substitution occurs at a position that is conserved across species, affecting the Glycine residue of the triple-helical region containing Gly-X-Y repeats. In silico analysis predicts this variant is probably damaging to the protein structure/function. As an alternate mechanism, splice predictor models indicate that this sequence change may create a new cryptic splice donor site upstream of the natural donor site in exon 45, which may cause abnormal gene splicing. A missense variant at the same residue, G1326R, has been previously reported as a de novo event in a child with schizencephaly, quadriplegia, epilepsy, and intellectual disability (Yoneda et al., 2013). We interpret G1326V as a pathogenic variant

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