ClinVar Miner

Submissions for variant NM_000322.5(PRPH2):c.622G>A (p.Gly208Ser)

gnomAD frequency: 0.00001  dbSNP: rs901479607
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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 RCV001067892 SCV001232975 likely pathogenic PRPH2-related disorder 2022-10-05 criteria provided, single submitter clinical testing This variant is present in population databases (no rsID available, gnomAD 0.003%). This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 208 of the PRPH2 protein (p.Gly208Ser). This missense change has been observed in individual(s) with autosomal dominant PRPH2-related conditions (Invitae). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. This variant disrupts the p.Gly208 amino acid residue in PRPH2. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 9279751, 12042139, 25447119, 29555955). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. ClinVar contains an entry for this variant (Variation ID: 861377).

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