ClinVar Miner

Submissions for variant NM_002609.4(PDGFRB):c.91C>A (p.Gln31Lys)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV005211260 SCV005853778 uncertain significance Acroosteolysis-keloid-like lesions-premature aging syndrome; Basal ganglia calcification, idiopathic, 4; Infantile myofibromatosis; Skeletal overgrowth-craniofacial dysmorphism-hyperelastic skin-white matter lesions syndrome 2024-05-31 criteria provided, single submitter clinical testing This sequence change replaces glutamine, which is neutral and polar, with lysine, which is basic and polar, at codon 31 of the PDGFRB protein (p.Gln31Lys). 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 variant has not been reported in the literature in individuals affected with PDGFRB-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 PDGFRB protein function with a negative predictive value of 80%. 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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