IDH2 — 294 ClinVar variants

All ClinVar germline IDH2 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 126 flagged for review →

2 Pathogenic · 1 Pathogenic/Likely pathogenic · 3 Likely pathogenic · 11 Conflicting · 25 Benign · 13 Benign/Likely benign · 89 Likely benign · 150 Uncertain significance

Full IDH2 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 126

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 94

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

Predictors split 24

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

All IDH2 variants

Pathogenic 2

  • p.Arg140Gly No assertion criteria d-2-hydroxyglutaric aciduria 2
  • p.Arg172Ser No assertion criteria vascular malformation

Pathogenic/Likely pathogenic 1

  • p.Arg140Gln Multiple submitters IDH2-related mitochondrial disease

Likely pathogenic 3

Conflicting classifications of pathogenicity 11

Benign 25

Benign/Likely benign 13

  • c.1081-13C>T Multiple submitters d-2-hydroxyglutaric aciduria 2
  • c.207+4G>A Multiple submitters d-2-hydroxyglutaric aciduria 2
  • c.374-17T>C Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Ala346= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Arg261His Multiple submitters d-2-hydroxyglutaric aciduria 2 ⚠
  • p.Arg6= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Arg9= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Asp314= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Gly313= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Leu143= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Ser332= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Thr331= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Thr350= Multiple submitters d-2-hydroxyglutaric aciduria 2

Likely benign 89

  • c.679-7C>G Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Ala25= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Ala40= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Ala416= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Gln389= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Glu120= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Gly144= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Leu449= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Met397Val Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Thr341= Multiple submitters d-2-hydroxyglutaric aciduria 2
  • p.Val297Ala Multiple submitters d-2-hydroxyglutaric aciduria 2
  • c.1080+18G>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1081-8G>A Single submitter d-2-hydroxyglutaric aciduria 2
  • c.115+14G>A Single submitter d-2-hydroxyglutaric aciduria 2
  • c.115+7G>A Single submitter
  • c.115+9C>A Single submitter d-2-hydroxyglutaric aciduria 2
  • c.115+9C>G Single submitter d-2-hydroxyglutaric aciduria 2
  • c.116-19T>G Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1178+20C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1178+8T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1179-13C>T Single submitter
  • c.1271+10C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1271+11T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.1272-18G>A Single submitter
  • c.207+15T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.207+9C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.208-14C>T Single submitter
  • c.373+9G>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.374-20T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.534+19G>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.535-11T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.535-13C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.535-6C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.678+19T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.679-16G>A Single submitter d-2-hydroxyglutaric aciduria 2
  • c.679-6C>A Single submitter d-2-hydroxyglutaric aciduria 2
  • c.815+19A>G Single submitter d-2-hydroxyglutaric aciduria 2
  • c.815+6G>T Single submitter
  • c.816-19C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.967+15C>T Single submitter d-2-hydroxyglutaric aciduria 2
  • c.968-10T>C Single submitter d-2-hydroxyglutaric aciduria 2
  • c.968-8C>T Single submitter
  • c.-19G>C Single submitter
  • p.Ala232= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Ala47= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Arg353= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Arg377= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Arg382= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Arg451= Single submitter
  • p.Asn88His Single submitter Inborn genetic diseases
  • p.Asp264= Single submitter
  • p.Cys235= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Cys402= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Gln452= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Gly163= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Gly215= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Gly303= Single submitter
  • p.Gly383= Single submitter
  • p.Gly85= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.His173= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.His74= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Ile142= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Leu26= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Leu415= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Leu422= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Leu72= Single submitter
  • p.Leu79= Single submitter
  • p.Leu84= Single submitter
  • p.Lys243= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Lys251= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Phe196= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Pro213= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Pro23= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Pro29= Single submitter
  • p.Pro337= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Ser301= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Ter453= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Thr117= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Thr146= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Thr224= Single submitter
  • p.Thr253= Single submitter
  • p.Thr405= Single submitter
  • p.Thr92= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Tyr258= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Tyr285= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Val335Ile Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Val50= Single submitter
  • p.Val7= Single submitter d-2-hydroxyglutaric aciduria 2
  • p.Pro87= No assertion criteria IDH2-related disorder

Uncertain significance 150