ClinVar Miner

Submissions for variant NM_000089.4(COL1A2):c.279G>A (p.Met93Ile)

dbSNP: rs72656356
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002231016 SCV000627326 pathogenic Osteogenesis imperfecta type I; Ehlers-Danlos syndrome, classic type, 1 2017-06-07 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Nucleotide substitutions within the consensus splice site are relatively common causes of aberrant splicing (PMID: 17576681, 9536098). Experimental studies have shown that this variant causes an aberrant splicing in the mRNA leading to a protein lacking exon 6 in part of the protein products (PMID: 2777808). This variant has been reported in the literature to have arisen de novo in one individual affected with Ehlers-Danlos syndrome (PMID: 2777808). This variant is not present in population databases (ExAC no frequency). This sequence change replaces methionine with isoleucine at codon 93 of the COL1A2 protein (p.Met93Ile). The methionine residue is highly conserved and there is a small physicochemical difference between methionine and isoleucine. This variant also falls at the last nucleotide of exon 6 of the COL1A2 coding sequence, which is part of the consensus splice site for this exon.
OMIM RCV000018774 SCV000039057 pathogenic Ehlers-danlos syndrome, arthrochalasia type, 2 1989-10-05 no assertion criteria provided literature only

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