PPP2R1A — 564 ClinVar variants

All ClinVar germline PPP2R1A variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 203 flagged for review →

5 Pathogenic · 8 Pathogenic/Likely pathogenic · 10 Likely pathogenic · 21 Conflicting · 27 Benign · 8 Benign/Likely benign · 289 Likely benign · 196 Uncertain significance

Full PPP2R1A gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 203

Variants where the independent computational evidence doesn't line up with the clinical picture — a QC signal for a second look, not a reclassification.

Predictors vs ClinVar 1

ClinVar calls these pathogenic, but the computational predictors lean tolerated — the highest-value review flag.

Predictors lean, ClinVar uncertain 102

ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification.

Predictors split 86

The independent predictors disagree with each other — read with care.

All PPP2R1A variants

Pathogenic 5

  • p.Met180Val Multiple submitters Houge-Janssens syndrome 2
  • p.Pro179Leu Multiple submitters PPP2R1A-related disorder
  • p.Thr178Asn Multiple submitters Houge-Janssens syndrome 2 ⚠
  • p.Val220Met Multiple submitters Houge-Janssens syndrome 2
  • p.Asp282fs Single submitter Houge-Janssens syndrome 2

Pathogenic/Likely pathogenic 8

  • p.Arg182Gln Multiple submitters Houge-Janssens syndrome 2
  • p.Arg182Trp Multiple submitters PPP2R1A-related disorder
  • p.Arg183Gln Multiple submitters Houge-Janssens syndrome 2
  • p.Arg183Trp Multiple submitters Houge-Janssens syndrome 2
  • p.Arg258His Multiple submitters Houge-Janssens syndrome 2
  • p.Met180Thr Multiple submitters Houge-Janssens syndrome 2
  • p.Pro179His Multiple submitters Houge-Janssens syndrome 2
  • p.Ser219Leu Multiple submitters Inborn genetic diseases

Likely pathogenic 10

Conflicting classifications of pathogenicity 21

Benign 27

Benign/Likely benign 8

Likely benign 289

Uncertain significance 196