FXN — 165 ClinVar variants
All ClinVar germline FXN variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 57 flagged for review →
13 Pathogenic · 1 Pathogenic/Likely pathogenic · 11 Likely pathogenic · 13 Conflicting · 28 Benign · 5 Benign/Likely benign · 37 Likely benign · 57 Uncertain significance
Full FXN gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions⚑ Evidence disagreements 57
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 agree, ClinVar conflicts 9
ClinVar submitters conflict, but the independent predictors unanimously agree — a QC review flag, not a reclassification.
-
FXN p.Arg165Cys
Conflicting
Single submitter
Charcot-Marie-Tooth-like disease
-
FXN p.Arg40Cys
Conflicting
Single submitter
Inborn genetic diseases
-
FXN p.Arg60Cys
Conflicting
Single submitter
Inborn genetic diseases
-
FXN p.Arg60His
Conflicting
Single submitter
Cardiovascular phenotype
-
FXN p.Asn67Ser
Conflicting
Single submitter
Inborn genetic diseases
-
FXN p.Gly130Val
Conflicting
Single submitter
Friedreich ataxia 1
-
FXN p.Gly38Ser
Conflicting
Single submitter
Inborn genetic diseases
- FXN p.Leu156Pro Conflicting Single submitter
-
FXN p.Thr44Asn
Conflicting
Single submitter
Inborn genetic diseases
Predictors lean, ClinVar uncertain 44
ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification.
-
FXN p.Arg43His
Uncertain significance
Multiple submitters
Inborn genetic diseases
-
FXN p.Leu24Phe
Uncertain significance
Multiple submitters
Inborn genetic diseases
- FXN p.Leu33Val Uncertain significance Multiple submitters
-
FXN p.Pro30Thr
Uncertain significance
Multiple submitters
Inborn genetic diseases
- FXN p.Ser158Phe Uncertain significance Multiple submitters
-
FXN p.Thr49Asn
Uncertain significance
Multiple submitters
Inborn genetic diseases
-
FXN p.Ala114Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Ala14Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Ala19Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Ala210Val
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Ala55Thr Uncertain significance Single submitter
- FXN p.Arg165His Uncertain significance Single submitter
-
FXN p.Arg26Trp
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Arg40His
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Arg97Lys Uncertain significance Single submitter
-
FXN p.Asp122Tyr
Uncertain significance
Single submitter
Friedreich ataxia 1
-
FXN p.Asp45Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Gln20Glu
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Glu100Ala Uncertain significance Single submitter
- FXN p.Glu96Lys Uncertain significance Single submitter
-
FXN p.Gly5Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Gly61Val
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.His183Leu Uncertain significance Single submitter
- FXN p.Leu12Val Uncertain significance Single submitter
- FXN p.Leu42Arg Uncertain significance Single submitter
- FXN p.Lys208Arg Uncertain significance Single submitter
- FXN p.Met76Arg Uncertain significance Single submitter
-
FXN p.Pro16Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Pro18Ala
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Pro30Leu Uncertain significance Single submitter
-
FXN p.Pro35Leu
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Ser158Ala Uncertain significance Single submitter
-
FXN p.Ser17Ile
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Thr119Met Uncertain significance Single submitter
- FXN p.Thr196Ile Uncertain significance Single submitter
-
FXN p.Thr23Asn
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Thr51Ala Uncertain significance Single submitter
-
FXN p.Thr51Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Tyr123His
Uncertain significance
Single submitter
Friedreich ataxia 1
- FXN p.Tyr143His Uncertain significance Single submitter
- FXN p.Tyr74Cys Uncertain significance Single submitter
-
FXN p.Tyr95Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
FXN p.Val180Met
Uncertain significance
Single submitter
Inborn genetic diseases
- FXN p.Val9Ala Uncertain significance Single submitter
Predictors split 4
The independent predictors disagree with each other — read with care.
All FXN variants
Pathogenic 13
- p.Leu106Ser Multiple submitters FXN-related disorders
- p.Met1Ile Multiple submitters Friedreich ataxia 1
- c.165+1338AAG[180] Single submitter Friedreich ataxia 1
- c.165+5G>C Single submitter
- p.Arg53fs Single submitter Friedreich ataxia
- p.Ile154Phe Single submitter Friedreich ataxia 1
- p.Met1fs Single submitter
- p.Ser57fs Single submitter
- p.Tyr95Ter Single submitter
- c.385-2A>G No assertion criteria Friedreich ataxia
- p.Asn146Lys No assertion criteria Friedreich ataxia 1
- p.Asp124_Ser126delinsValHisLeuGluAspThr No assertion criteria Friedreich ataxia 1
- p.Leu106Ter No assertion criteria Friedreich ataxia
Pathogenic/Likely pathogenic 1
- p.Leu4fs Multiple submitters Friedreich ataxia 1
Likely pathogenic 11
- c.165+1G>C Single submitter FXN-related disorders
- c.165+2_165+3insTT Single submitter
- c.166-5T>G Single submitter Friedreich ataxia 1
- c.385-1G>C Single submitter
- c.482+1G>T Single submitter Friedreich ataxia 1
- c.483-12_483del Single submitter Friedreich ataxia 1
- c.483-2A>G Single submitter
- p.Gly137Val Single submitter Friedreich ataxia 1
- p.Met1Thr Single submitter FXN-related disorders
- p.Tyr166Ter Single submitter
- p.Trp173Gly No assertion criteria Friedreich ataxia
Conflicting classifications of pathogenicity 13
- c.384+8T>C Single submitter
- c.-9C>G Single submitter
- p.Arg165Cys Single submitter Charcot-Marie-Tooth-like disease ⚠
- p.Arg40Cys Single submitter Inborn genetic diseases ⚠
- p.Arg60Cys Single submitter Inborn genetic diseases ⚠
- p.Arg60His Single submitter Cardiovascular phenotype ⚠
- p.Asn67Ser Single submitter Inborn genetic diseases ⚠
- p.Gly130Val Single submitter Friedreich ataxia 1 ⚠
- p.Gly38Ser Single submitter Inborn genetic diseases ⚠
- p.Gly41= Single submitter
- p.Leu156Pro Single submitter ⚠
- p.Thr44Asn Single submitter Inborn genetic diseases ⚠
- p.Val27= Single submitter
Benign 28
- c.166-185G>A Multiple submitters
- c.264-70G>A Multiple submitters
- c.384+159C>A Multiple submitters
- c.384+21T>C Multiple submitters
- c.483-175T>G Multiple submitters
- c.483-88C>T Multiple submitters
- c.*246C>T Multiple submitters
- p.Met76Val Multiple submitters Inborn genetic diseases
- p.Pro18= Multiple submitters Inborn genetic diseases
- c.384+198G>A Single submitter
- c.384+250_384+251insGG Single submitter
- c.384+251_384+252insTG Single submitter
- c.384+251_384+252insTGGATG Single submitter
- c.384+251A>G Single submitter
- c.384+255A>G Single submitter
- c.*1735G>A Single submitter
- c.*1737G>A Single submitter
- c.*3469_*3470insTTA Single submitter
- c.*3469_*3470insTTTA Single submitter
- c.*3469del Single submitter
- c.*5134C>G Single submitter
- c.*5740_*5744del Single submitter
- c.*5746_*5747insTACC Single submitter
- c.*798T>G Single submitter
- p.Ala14Glu Single submitter
- p.Arg26= Single submitter
- p.Ile46= Single submitter
- p.Thr23Ile Single submitter
Benign/Likely benign 5
- c.-7G>A Multiple submitters
- p.Arg54= Multiple submitters Inborn genetic diseases
- p.Asp178= Multiple submitters Inborn genetic diseases
- p.Asp209Gly Multiple submitters Inborn genetic diseases
- p.Leu156= Multiple submitters Inborn genetic diseases
Likely benign 37
- p.Pro35= Multiple submitters
- p.Thr149= Multiple submitters
- c.165+1338AAG[10] Single submitter
- c.165+1339_165+1340insAGAAGAA Single submitter
- c.165+13G>C Single submitter
- c.165+15C>T Single submitter
- c.263+18C>G Single submitter
- c.264-20G>A Single submitter
- c.264-3C>A Single submitter
- c.483-18A>G Single submitter
- c.*1099G>A Single submitter
- c.*1533T>G Single submitter
- c.*1677C>T Single submitter
- c.*1770_*1772del Single submitter
- c.*1771_*1772del Single submitter
- c.*1771del Single submitter
- c.*1771dup Single submitter
- c.*4005C>A Single submitter
- c.*4729T>G Single submitter
- c.*482T>C Single submitter
- c.*5269G>A Single submitter
- c.*5465T>A Single submitter
- c.*556C>T Single submitter
- c.*6288G>T Single submitter
- p.Ala31= Single submitter
- p.Arg29= Single submitter
- p.Asp115= Single submitter Inborn genetic diseases
- p.Gly162= Single submitter Inborn genetic diseases
- p.Leu190= Single submitter Inborn genetic diseases
- p.Leu33= Single submitter Inborn genetic diseases
- p.Leu62= Single submitter
- p.Ser81Thr Single submitter Inborn genetic diseases
- p.Thr119= Single submitter
- p.Thr133= Single submitter
- p.Thr191= Single submitter Inborn genetic diseases
- p.Tyr143= Single submitter
- p.His177= No assertion criteria FXN-related disorder
Uncertain significance 57
- p.Arg43His Multiple submitters Inborn genetic diseases ⚠
- p.Glu108Val Multiple submitters Inborn genetic diseases
- p.Gly138Arg Multiple submitters Inborn genetic diseases ⚠
- p.Leu24Phe Multiple submitters Inborn genetic diseases ⚠
- p.Leu33Val Multiple submitters ⚠
- p.Pro30Thr Multiple submitters Inborn genetic diseases ⚠
- p.Ser158Phe Multiple submitters ⚠
- p.Thr49Asn Multiple submitters Inborn genetic diseases ⚠
- c.166-9G>A Single submitter
- c.483-7C>T Single submitter
- c.483-8T>A Single submitter
- p.Ala114Val Single submitter Inborn genetic diseases ⚠
- p.Ala14Val Single submitter Inborn genetic diseases ⚠
- p.Ala19Thr Single submitter Inborn genetic diseases ⚠
- p.Ala210Val Single submitter Inborn genetic diseases ⚠
- p.Ala55Thr Single submitter ⚠
- p.Arg165Asp Single submitter
- p.Arg165His Single submitter ⚠
- p.Arg26Trp Single submitter Inborn genetic diseases ⚠
- p.Arg40His Single submitter Inborn genetic diseases ⚠
- p.Arg97Lys Single submitter ⚠
- p.Asp122Tyr Single submitter Friedreich ataxia 1 ⚠
- p.Asp45Asn Single submitter Inborn genetic diseases ⚠
- p.Gln20Glu Single submitter Inborn genetic diseases ⚠
- p.Gln71fs Single submitter Friedreich ataxia 1
- p.Glu100Ala Single submitter ⚠
- p.Glu96Lys Single submitter ⚠
- p.Gly128= Single submitter
- p.Gly5Ala Single submitter Inborn genetic diseases ⚠
- p.Gly61Val Single submitter Inborn genetic diseases ⚠
- p.His183Leu Single submitter ⚠
- p.Leu12Val Single submitter ⚠
- p.Leu42Arg Single submitter ⚠
- p.Leu62Pro Single submitter ⚠
- p.Lys116= Single submitter
- p.Lys135Arg Single submitter ⚠
- p.Lys208Arg Single submitter ⚠
- p.Met76Arg Single submitter ⚠
- p.Pro16Ser Single submitter Inborn genetic diseases ⚠
- p.Pro18Ala Single submitter Inborn genetic diseases ⚠
- p.Pro30Leu Single submitter ⚠
- p.Pro35Leu Single submitter Inborn genetic diseases ⚠
- p.Ser158Ala Single submitter ⚠
- p.Ser17Ile Single submitter Inborn genetic diseases ⚠
- p.Ser206Thr Single submitter Inborn genetic diseases ⚠
- p.Ser57= Single submitter
- p.Thr119Met Single submitter ⚠
- p.Thr196Ile Single submitter ⚠
- p.Thr23Asn Single submitter Inborn genetic diseases ⚠
- p.Thr51Ala Single submitter ⚠
- p.Thr51Arg Single submitter Inborn genetic diseases ⚠
- p.Tyr123His Single submitter Friedreich ataxia 1 ⚠
- p.Tyr143His Single submitter ⚠
- p.Tyr74Cys Single submitter ⚠
- p.Tyr95Cys Single submitter Inborn genetic diseases ⚠
- p.Val180Met Single submitter Inborn genetic diseases ⚠
- p.Val9Ala Single submitter ⚠