SMAD2 — 483 ClinVar variants

All ClinVar germline SMAD2 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 174 flagged for review →

23 Pathogenic · 5 Pathogenic/Likely pathogenic · 12 Likely pathogenic · 2 Conflicting · 25 Benign · 16 Benign/Likely benign · 194 Likely benign · 206 Uncertain significance

Full SMAD2 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 174

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 lean, ClinVar uncertain 144

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

Predictors split 30

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

All SMAD2 variants

Pathogenic 23

  • p.Ala64fs Multiple submitters
  • p.Arg182Ter Multiple submitters familial thoracic aortic aneurysm and aortic dissection
  • c.997+1G>T Single submitter SMAD2-related cardiac disorders
  • p.Ala323fs Single submitter Loeys-Dietz syndrome
  • p.Arg182fs Single submitter congenital heart defects, multiple types, 8, with or without heterotaxy
  • p.Arg329Gly Single submitter
  • p.Asn258fs Single submitter Inborn genetic diseases
  • p.Cys312Ser Single submitter Inborn genetic diseases
  • p.Gln294Ter Single submitter Loeys-Dietz syndrome 6
  • p.Gln396Ter Single submitter
  • p.Glu159Ter Single submitter congenital heart defects, multiple types, 8, with or without heterotaxy
  • p.Gly457Arg Single submitter Loeys-Dietz syndrome 6
  • p.Leu131Ter Single submitter
  • p.Leu297_Thr298insTer Single submitter
  • p.Leu442Arg Single submitter
  • p.Leu58Ter Single submitter
  • p.Ser250fs Single submitter Loeys-Dietz syndrome 6
  • p.Ser465Thr Single submitter Loeys-Dietz syndrome 6 ⚠
  • p.Thr184fs Single submitter
  • p.Val49fs Single submitter
  • c.237-12A>G No assertion criteria congenital heart defects, multiple types, 8, with or without heterotaxy
  • c.784+1G>A No assertion criteria congenital heart defects, multiple types, 8, with or without heterotaxy
  • p.Trp274Cys No assertion criteria congenital heart defects, multiple types, 8, with or without heterotaxy

Pathogenic/Likely pathogenic 5

Likely pathogenic 12

Conflicting classifications of pathogenicity 2

  • p.Asp229= Single submitter Inborn genetic diseases
  • p.Leu193= Single submitter Inborn genetic diseases

Benign 25

Benign/Likely benign 16

Likely benign 194

Uncertain significance 206