ClinVar Miner

Submissions for variant NM_000089.4(COL1A2):c.896A>C (p.Asn299Thr)

dbSNP: rs2115893108
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001931102 SCV002194594 uncertain significance Osteogenesis imperfecta type I; Ehlers-Danlos syndrome, classic type, 1 2021-08-11 criteria provided, single submitter clinical testing This sequence change replaces asparagine with threonine at codon 299 of the COL1A2 protein (p.Asn299Thr). The asparagine residue is highly conserved and there is a small physicochemical difference between asparagine and threonine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with COL1A2-related conditions. 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 not expected to disrupt COL1A2 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Al Jalila Children's Genomics Center, Al Jalila Childrens Speciality Hospital RCV002479423 SCV002775017 uncertain significance not provided 2022-12-17 criteria provided, single submitter clinical testing

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