ClinVar Miner

Submissions for variant NM_001852.4(COL9A2):c.1774G>A (p.Gly592Ser)

gnomAD frequency: 0.00001  dbSNP: rs535212284
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001873201 SCV002202482 uncertain significance not provided 2024-10-16 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 592 of the COL9A2 protein (p.Gly592Ser). 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 missense change has been observed in individual(s) with clinical features of COL9A2-related conditions (PMID: 31896775). ClinVar contains an entry for this variant (Variation ID: 635165). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt COL9A2 protein function with a positive predictive value of 95%. 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.
Molecular Genetics Laboratory, Institute for Ophthalmic Research RCV000786021 SCV000924661 likely pathogenic Stickler syndrome 2017-12-13 no assertion criteria provided research

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