RRM2B — 410 ClinVar variants

All ClinVar germline RRM2B variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 122 flagged for review →

15 Pathogenic · 6 Pathogenic/Likely pathogenic · 22 Likely pathogenic · 34 Conflicting · 46 Benign · 12 Benign/Likely benign · 104 Likely benign · 171 Uncertain significance

Full RRM2B gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 122

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 agree, ClinVar conflicts 7

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

Predictors lean, ClinVar uncertain 83

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

Predictors split 31

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

All RRM2B variants

Pathogenic 15

  • c.322-2A>G Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Arg327Ter Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Trp53Ter Multiple submitters progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • c.205-2A>G Single submitter
  • c.550+1G>A Single submitter
  • p.Ala169fs Single submitter
  • p.Arg147Ter Single submitter
  • p.Ile176fs Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Ser316_Leu317insTer Single submitter progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • p.Tyr138_Ser139delinsTer Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Arg121His No assertion criteria Mitochondrial DNA depletion syndrome 8B (MNGIE type)
  • p.Asn322fs No assertion criteria progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • p.Cys236Phe No assertion criteria mitochondrial DNA depletion syndrome 8a
  • p.Gln284Ter No assertion criteria mitochondrial DNA depletion syndrome 8a
  • p.Glu194Lys No assertion criteria mitochondrial DNA depletion syndrome 8a

Pathogenic/Likely pathogenic 6

  • p.Arg174Ter Multiple submitters RRM2B-related disorder
  • p.Arg41Trp Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Gly229Val Multiple submitters RRM2B-related disorder
  • p.Ile224Ser Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Lys37fs Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Tyr145fs Multiple submitters RRM2B-related disorder

Likely pathogenic 22

  • c.455+1G>A Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Arg110Cys Multiple submitters mitochondrial DNA depletion syndrome 8a
  • p.Met282Ile Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.205-1G>C Single submitter
  • c.321+1G>T Single submitter
  • c.48+268_48+269delinsAA Single submitter mitochondrial DNA depletion syndrome 8a
  • c.49-2A>G Single submitter mitochondrial DNA depletion syndrome 8a
  • c.551-2A>G Single submitter RRM2B-related disorder
  • c.684+1G>A Single submitter
  • p.Ala158Thr Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Arg292fs Single submitter
  • p.Asn343Asp Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Asp70Tyr Single submitter
  • p.Cys232Ter Single submitter
  • p.Glu32Ter Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Gly212_Leu213insSer Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Lys180fs Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Phe323fs Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Ser62fs Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Ser62Xaa Single submitter
  • p.Tyr56Ter Single submitter progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • p.Val43Asp Single submitter mitochondrial DNA depletion syndrome 8a

Conflicting classifications of pathogenicity 34

  • c.204+5G>A Single submitter mitochondrial DNA depletion syndrome 8a
  • c.205-3C>T Single submitter
  • c.48+180G>A Single submitter
  • c.48+188del Single submitter progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • c.48+48C>T Single submitter mitochondrial DNA depletion syndrome 8a
  • c.48+96G>C Single submitter mitochondrial DNA depletion syndrome 8a
  • c.551-11_551-10del Single submitter
  • c.551-2A>T Single submitter
  • c.685-4T>G Single submitter
  • c.790-2A>G Single submitter RRM2B-related disorder
  • c.790-9T>C Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*11G>A Single submitter progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • c.*2822A>T Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*3078G>T Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*817G>A Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Ala305Ser Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Arg110His Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Arg252= Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Arg40Cys Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Arg40His Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Arg41Gln Single submitter ⚠
  • p.Arg41Pro Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Asn221Ser Single submitter mitochondrial DNA depletion syndrome 8a ⚠
  • p.Glu262Asp Single submitter sensorineural hearing loss disorder ⚠
  • p.Glu85del Single submitter rod-cone dystrophy, sensorineural deafness, and Fanconi-type renal dysfunction
  • p.Gly200Glu Single submitter ⚠
  • p.Lys180= Single submitter progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • p.Lys54= Single submitter mitochondrial DNA depletion syndrome 8a
  • p.Phe183= Single submitter
  • p.Ser225Asn Single submitter
  • p.Thr144Ile Single submitter Mitochondrial DNA maintenance disorder ⚠
  • p.Thr161Ile Single submitter rod-cone dystrophy, sensorineural deafness, and Fanconi-type renal dysfunction ⚠
  • p.Thr182Ala Single submitter rod-cone dystrophy, sensorineural deafness, and Fanconi-type renal dysfunction ⚠
  • p.Thr321fs Single submitter RRM2B-related disorder

Benign 46

Benign/Likely benign 12

  • c.322-25_322-18dup Multiple submitters
  • c.48+265C>G Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.48+273G>T Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.551-18C>T Multiple submitters progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 5
  • c.685-20A>T Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.790-8C>A Multiple submitters rod-cone dystrophy, sensorineural deafness, and Fanconi-type renal dysfunction
  • c.*1351T>C Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.*190T>C Multiple submitters mitochondrial DNA depletion syndrome 8a
  • c.*1596T>C Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*1867C>T Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*2236A>T Single submitter mitochondrial DNA depletion syndrome 8a
  • c.*3489A>G Single submitter mitochondrial DNA depletion syndrome 8a

Likely benign 104

Uncertain significance 171