COL4A3 — 3421 ClinVar variants

All ClinVar germline COL4A3 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 891 flagged for review →

181 Pathogenic · 141 Pathogenic/Likely pathogenic · 574 Likely pathogenic · 296 Conflicting · 167 Benign · 35 Benign/Likely benign · 1196 Likely benign · 831 Uncertain significance

Full COL4A3 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 891

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 36

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

Predictors agree, ClinVar conflicts 184

ClinVar submitters conflict, but the independent predictors unanimously agree — a QC review flag, not a reclassification. · showing the 150 best-reviewed of 184

Predictors lean, ClinVar uncertain 550

ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification. · showing the 150 best-reviewed of 550

Predictors split 121

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

All COL4A3 variants

Pathogenic 181

Pathogenic/Likely pathogenic 141

  • c.1114+2T>C Multiple submitters autosomal dominant Alport syndrome
  • c.1408+1G>A Multiple submitters Alport syndrome
  • c.1408+1G>C Multiple submitters autosomal dominant Alport syndrome
  • c.1408+1G>T Multiple submitters autosomal recessive Alport syndrome
  • c.1504+1G>A Multiple submitters Alport syndrome
  • c.2656+1G>T Multiple submitters autosomal dominant Alport syndrome
  • c.2745_2746+7del Multiple submitters Alport syndrome
  • c.2746+1del Multiple submitters COL4A3-related disorder
  • c.279+1G>T Multiple submitters autosomal dominant Alport syndrome
  • c.2881+1G>T Multiple submitters
  • c.2980+1G>A Multiple submitters Alport syndrome
  • c.3210+1G>A Multiple submitters Alport syndrome
  • c.3211-1G>C Multiple submitters Alport syndrome
  • c.3337+1del Multiple submitters hematuria, benign familial
  • c.3566-2A>G Multiple submitters Alport syndrome
  • c.3882+5G>A Multiple submitters hematuria, benign familial, 2
  • c.3883-2067_4311dup Multiple submitters
  • c.4755+1G>A Multiple submitters autosomal dominant Alport syndrome
  • c.688-1G>A Multiple submitters Alport syndrome 3b, autosomal recessive
  • c.689dup Multiple submitters autosomal dominant Alport syndrome
  • c.744_765+66del Multiple submitters autosomal dominant Alport syndrome
  • c.828+2T>C Multiple submitters Alport syndrome
  • c.829-2A>G Multiple submitters Alport syndrome 3b, autosomal recessive
  • c.888+1G>A Multiple submitters Alport syndrome
  • p.772LPG[1] Multiple submitters
  • p.Ala150fs Multiple submitters autosomal dominant Alport syndrome
  • p.Arg1040fs Multiple submitters Alport syndrome
  • p.Arg1215Ter Multiple submitters hematuria, benign familial, 2
  • p.Arg1609fs Multiple submitters autosomal dominant Alport syndrome
  • p.Arg1661His Multiple submitters Alport syndrome ⚠
  • p.Arg221fs Multiple submitters Alport syndrome
  • p.Arg317fs Multiple submitters Alport syndrome
  • p.Arg645fs Multiple submitters autosomal dominant Alport syndrome
  • p.Arg791Ter Multiple submitters COL4A3-related disorder
  • p.Cys1511fs Multiple submitters autosomal dominant Alport syndrome
  • p.Cys1548Ter Multiple submitters autosomal dominant Alport syndrome
  • p.Cys1616Tyr Multiple submitters Alport syndrome
  • p.Gln10Ter Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Gln1453Ter Multiple submitters autosomal dominant Alport syndrome
  • p.Gln351Ter Multiple submitters Alport syndrome
  • p.Gln670Ter Multiple submitters Alport syndrome
  • p.Glu1084Ter Multiple submitters hematuria, benign familial, 2
  • p.Glu1607Ter Multiple submitters COL4A3-related disorder
  • p.Glu260Ter Multiple submitters Alport syndrome
  • p.Glu405Ter Multiple submitters Alport syndrome
  • p.Glu539Ter Multiple submitters autosomal recessive Alport syndrome
  • p.Glu647fs Multiple submitters Alport syndrome
  • p.Glu946fs Multiple submitters autosomal dominant Alport syndrome
  • p.Gly1009fs Multiple submitters Alport syndrome
  • p.Gly1015Glu Multiple submitters hematuria, benign familial
  • p.Gly1045Val Multiple submitters autosomal dominant Alport syndrome
  • p.Gly1080Arg Multiple submitters Alport syndrome
  • p.Gly112fs Multiple submitters COL4A3-related disorder
  • p.Gly1137Asp Multiple submitters Alport syndrome
  • p.Gly1152Arg Multiple submitters autosomal recessive Alport syndrome
  • p.Gly1167Arg Multiple submitters hematuria, benign familial, 1
  • p.Gly1183dup Multiple submitters autosomal dominant Alport syndrome
  • p.Gly1189Glu Multiple submitters COL4A3-related disorder
  • p.Gly1192Glu Multiple submitters Alport syndrome
  • p.Gly1198Asp Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Gly1198Ser Multiple submitters Alport syndrome ⚠
  • p.Gly1228Asp Multiple submitters Alport syndrome
  • p.Gly1257fs Multiple submitters Alport syndrome
  • p.Gly139Arg Multiple submitters autosomal dominant Alport syndrome
  • p.Gly1403Ter Multiple submitters autosomal recessive Alport syndrome
  • p.Gly1412Val Multiple submitters autosomal dominant Alport syndrome
  • p.Gly148Val Multiple submitters Alport syndrome
  • p.Gly230Asp Multiple submitters Alport syndrome
  • p.Gly230Val Multiple submitters Alport syndrome
  • p.Gly265Arg Multiple submitters COL4A3-related disorder
  • p.Gly336Cys Multiple submitters autosomal dominant Alport syndrome
  • p.Gly378Arg Multiple submitters COL4A3-related disorder
  • p.Gly395Glu Multiple submitters autosomal dominant Alport syndrome
  • p.Gly407Arg Multiple submitters Alport syndrome
  • p.Gly410Glu Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Gly421fs Multiple submitters hematuria, benign familial
  • p.Gly439Ser Multiple submitters autosomal dominant Alport syndrome ⚠
  • p.Gly452Arg Multiple submitters COL4A3-related disorder
  • p.Gly458Arg Multiple submitters autosomal dominant Alport syndrome
  • p.Gly467Arg Multiple submitters Alport syndrome
  • p.Gly470fs Multiple submitters autosomal dominant Alport syndrome
  • p.Gly532Cys Multiple submitters autosomal dominant Alport syndrome
  • p.Gly563Arg Multiple submitters Alport syndrome
  • p.Gly575Glu Multiple submitters COL4A3-related disorder
  • p.Gly584Cys Multiple submitters Alport syndrome
  • p.Gly619Arg Multiple submitters autosomal dominant Alport syndrome ⚠
  • p.Gly631Arg Multiple submitters COL4A3-related disorder
  • p.Gly631Val Multiple submitters COL4A3-related disorder
  • p.Gly634Arg Multiple submitters autosomal dominant Alport syndrome
  • p.Gly640Arg Multiple submitters hematuria, benign familial, 2
  • p.Gly665fs Multiple submitters autosomal recessive Alport syndrome
  • p.Gly695Arg Multiple submitters hematuria, benign familial, 2
  • p.Gly709Glu Multiple submitters hematuria, benign familial, 2
  • p.Gly709Ter Multiple submitters COL4A3-related disorder
  • p.Gly730Glu Multiple submitters autosomal dominant Alport syndrome
  • p.Gly733Ter Multiple submitters autosomal recessive Alport syndrome
  • p.Gly768Arg Multiple submitters autosomal dominant Alport syndrome
  • p.Gly777Asp Multiple submitters autosomal dominant Alport syndrome
  • p.Gly777Val Multiple submitters autosomal dominant Alport syndrome
  • p.Gly792Arg Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Gly801Arg Multiple submitters Alport syndrome
  • p.Gly807fs Multiple submitters Alport syndrome
  • p.Gly818Arg Multiple submitters COL4A3-related disorder
  • p.Gly880Ter Multiple submitters Alport syndrome
  • p.Gly91Asp Multiple submitters COL4A3-related disorder
  • p.Gly934Arg Multiple submitters Alport syndrome
  • p.Gly937Glu Multiple submitters hematuria, benign familial, 2
  • p.Gly940fs Multiple submitters Alport syndrome
  • p.Gly955Arg Multiple submitters Alport syndrome
  • p.Gly997Glu Multiple submitters autosomal recessive Alport syndrome
  • p.Leu1598Arg Multiple submitters autosomal dominant Alport syndrome
  • p.Leu175fs Multiple submitters Alport syndrome
  • p.Leu846fs Multiple submitters autosomal dominant Alport syndrome
  • p.Lys1082fs Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Lys298fs Multiple submitters autosomal recessive Alport syndrome
  • p.Lys48Ter Multiple submitters Alport syndrome
  • p.Met1Ile Multiple submitters Alport syndrome 3b, autosomal recessive
  • p.Met1Val Multiple submitters Alport syndrome
  • p.Met726fs Multiple submitters Alport syndrome
  • p.Pro1023fs Multiple submitters autosomal recessive Alport syndrome
  • p.Pro1224fs Multiple submitters autosomal dominant Alport syndrome
  • p.Pro1250fs Multiple submitters autosomal recessive Alport syndrome
  • p.Pro1601fs Multiple submitters Alport syndrome
  • p.Pro187fs Multiple submitters autosomal dominant Alport syndrome
  • p.Pro240fs Multiple submitters autosomal dominant Alport syndrome
  • p.Pro279fs Multiple submitters hematuria, benign familial
  • p.Pro370fs Multiple submitters COL4A3-related disorder
  • p.Pro394fs Multiple submitters Alport syndrome
  • p.Pro607fs Multiple submitters autosomal dominant Alport syndrome
  • p.Pro616fs Multiple submitters Alport syndrome
  • p.Pro653fs Multiple submitters autosomal dominant Alport syndrome
  • p.Pro664fs Multiple submitters
  • p.Ser1246Ter Multiple submitters Alport syndrome
  • p.Ser1422Ter Multiple submitters hematuria, benign familial, 2
  • p.Ser1437fs Multiple submitters Alport syndrome
  • p.Ser1492Cys Multiple submitters autosomal recessive Alport syndrome
  • p.Ser425Ter Multiple submitters autosomal dominant Alport syndrome
  • p.Ser719Ter Multiple submitters Alport syndrome
  • p.Ser849Ter Multiple submitters Alport syndrome
  • p.Thr255= Multiple submitters autosomal dominant Alport syndrome
  • p.Gly174Trp No assertion criteria

Likely pathogenic 574

Showing the top 300 by review status; the full set is in the sitemap.

Conflicting classifications of pathogenicity 296

Benign 167

Benign/Likely benign 35

Likely benign 1196

Showing the top 300 by review status; the full set is in the sitemap.

Uncertain significance 831

Showing the top 300 by review status; the full set is in the sitemap.