ClinVar Miner

Submissions for variant NM_000089.4(COL1A2):c.1863G>A (p.Lys621=)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003781066 SCV004570111 pathogenic Osteogenesis imperfecta type I; Ehlers-Danlos syndrome, classic type, 1 2023-03-23 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. This variant has been observed in individual(s) with autosomal dominant osteogenesis imperfecta (PMID: 27761249). In at least one individual the variant was observed to be de novo. This variant is not present in population databases (gnomAD no frequency). This sequence change affects codon 621 of the COL1A2 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the COL1A2 protein. This variant also falls at the last nucleotide of exon 31, which is part of the consensus splice site for this exon.

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