ClinVar Miner

Submissions for variant NM_000348.4(SRD5A2):c.589G>A (p.Glu197Lys)

gnomAD frequency: 0.00002  dbSNP: rs534671822
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Dept. of Cytogenetics, ICMR- National Institute of Immunohaematology RCV001726695 SCV001960991 pathogenic 3-Oxo-5 alpha-steroid delta 4-dehydrogenase deficiency criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV001726695 SCV005697689 pathogenic 3-Oxo-5 alpha-steroid delta 4-dehydrogenase deficiency 2024-09-06 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 197 of the SRD5A2 protein (p.Glu197Lys). This variant is present in population databases (rs534671822, gnomAD 0.01%). This missense change has been observed in individual(s) with steroid-5 alpha-reductase deficiency (PMID: 30695888, 35700942, 36617173; internal data). ClinVar contains an entry for this variant (Variation ID: 1298365). 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 SRD5A2 protein function with a positive predictive value of 80%. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant disrupts the p.Glu197 amino acid residue in SRD5A2. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 8262007, 10999800, 20019388; internal data). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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