ClinVar Miner

Submissions for variant NM_000089.4(COL1A2):c.304C>A (p.Pro102Thr)

dbSNP: rs189557655
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genome Diagnostics Laboratory, The Hospital for Sick Children RCV002277981 SCV002565581 uncertain significance Ehlers-Danlos syndrome 2020-11-19 criteria provided, single submitter clinical testing
Invitae RCV003774907 SCV004573126 uncertain significance Osteogenesis imperfecta type I; Ehlers-Danlos syndrome, classic type, 1 2023-03-13 criteria provided, single submitter clinical testing 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. ClinVar contains an entry for this variant (Variation ID: 1702194). This variant has not been reported in the literature in individuals affected with COL1A2-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This sequence change replaces proline, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 102 of the COL1A2 protein (p.Pro102Thr). 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.

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