PPP3CA — 580 ClinVar variants

All ClinVar germline PPP3CA variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 200 flagged for review →

18 Pathogenic · 9 Pathogenic/Likely pathogenic · 20 Likely pathogenic · 8 Conflicting · 20 Benign · 15 Benign/Likely benign · 248 Likely benign · 242 Uncertain significance

Full PPP3CA gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 200

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 4

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

Predictors agree, ClinVar conflicts 4

ClinVar submitters conflict, but the independent predictors unanimously agree — a QC review flag, not a reclassification.

Predictors lean, ClinVar uncertain 133

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

Predictors split 59

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

All PPP3CA variants

Pathogenic 18

  • p.Ser419fs Multiple submitters developmental and epileptic encephalopathy 91
  • c.1340-1G>C Single submitter
  • p.Ala447fs Single submitter developmental and epileptic encephalopathy 91
  • p.Ala473Ser Single submitter arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development ⚠
  • p.Ala473Thr Single submitter arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development ⚠
  • p.Glu471Ter Single submitter
  • p.Gly430fs Single submitter developmental and epileptic encephalopathy 91
  • p.His151Asp Single submitter
  • p.His92Asp Single submitter
  • p.Ile452fs Single submitter developmental and epileptic encephalopathy 91
  • p.Leu146fs Single submitter
  • p.Phe306Cys Single submitter
  • p.Ser417fs Single submitter
  • p.Ser434fs Single submitter developmental and epileptic encephalopathy 91
  • p.Ser446fs Single submitter developmental and epileptic encephalopathy 91
  • p.Val420fs Single submitter developmental and epileptic encephalopathy 91
  • p.Gln445Ter No assertion criteria developmental and epileptic encephalopathy 91
  • p.Met431fs No assertion criteria developmental and epileptic encephalopathy 91

Pathogenic/Likely pathogenic 9

  • c.1340-2A>G Multiple submitters
  • p.Ala447Thr Multiple submitters developmental and epileptic encephalopathy 91 ⚠
  • p.Arg254Ser Multiple submitters developmental and epileptic encephalopathy 91
  • p.Asp234Glu Multiple submitters developmental and epileptic encephalopathy 91
  • p.Glu282Lys Multiple submitters PPP3CA-related disorder
  • p.Glu456Ter Multiple submitters
  • p.His92Arg Multiple submitters Inborn genetic diseases
  • p.Ser438fs Multiple submitters PPP3CA-related disorder
  • p.Thr429fs Multiple submitters developmental and epileptic encephalopathy 91

Likely pathogenic 20

Conflicting classifications of pathogenicity 8

  • c.1082-5T>G Single submitter developmental and epileptic encephalopathy 91
  • c.956-17C>A Single submitter developmental and epileptic encephalopathy 91
  • p.Asn513Ser Single submitter developmental and epileptic encephalopathy 91 ⚠
  • p.Asp234His Single submitter ⚠
  • p.Ile71Val Single submitter Inborn genetic diseases ⚠
  • p.Phe115= Single submitter arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • p.Pro9Thr Single submitter arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development ⚠
  • p.Thr510Met Single submitter Inborn genetic diseases ⚠

Benign 20

Benign/Likely benign 15

  • c.1156+15C>G Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • c.1156+20G>C Multiple submitters developmental and epileptic encephalopathy 91
  • c.1156+20G>T Multiple submitters developmental and epileptic encephalopathy 91
  • c.1156+7G>T Multiple submitters developmental and epileptic encephalopathy 91
  • c.1241+17T>C Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • c.384+18C>T Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • c.385-12del Multiple submitters
  • c.496+11T>C Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • c.643-6dup Multiple submitters
  • c.782+14A>C Multiple submitters
  • p.Asp97= Multiple submitters
  • p.Gly475= Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • p.Leu196= Multiple submitters developmental and epileptic encephalopathy 91
  • p.Leu46= Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development
  • p.Ser462= Multiple submitters arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development

Likely benign 248

Uncertain significance 242