ClinVar Miner

Submissions for variant NM_000784.4(CYP27A1):c.883G>C (p.Ala295Pro)

gnomAD frequency: 0.00001  dbSNP: rs371133296
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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 RCV001919407 SCV002192845 uncertain significance Cholestanol storage disease 2021-09-01 criteria provided, single submitter clinical testing This sequence change replaces alanine with proline at codon 295 of the CYP27A1 protein (p.Ala295Pro). The alanine residue is moderately conserved and there is a small physicochemical difference between alanine and proline. This variant is present in population databases (rs371133296, ExAC 0.001%). This variant has not been reported in the literature in individuals affected with CYP27A1-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 CYP27A1 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.

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