ClinVar Miner

Submissions for variant NM_000277.3(PAH):c.599C>A (p.Thr200Asn)

dbSNP: rs2136649547
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ClinGen PAH Variant Curation Expert Panel RCV002260488 SCV002540129 uncertain significance Phenylketonuria 2020-12-07 reviewed by expert panel curation This c.599C>A (p.Thr200Asn) variant in PAH was reported in 1 patient with PAH deficiency referred to as non-PKU HPA (120 - 600uMol/L Phe), detected with pathogenic variant p.Arg243* (PMID: 23357515). Computational evidence for this variant is conflicting; predicted to be damaging (SIFT), disease-causing (MutationTaster) and benign (PolyPhen2). This variant is absent from population databases gnomAD, 1000 Genomes, and ESP. Functional studies have been reported with no major impact on enzyme activity as compared to wild type (PMID: 31208052). In summary, this variant meets criteria to be classified as a variant of uncertain significance for PAH. PAH-specific ACMG/AMP criteria applied: PM2, PM3 supporting, PP4.

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