ATXN1 — 203 ClinVar variants
All ClinVar germline ATXN1 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 103 flagged for review →
1 Pathogenic · 8 Conflicting · 11 Benign · 4 Benign/Likely benign · 66 Likely benign · 113 Uncertain significance
Full ATXN1 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions⚑ Evidence disagreements 103
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 6
ClinVar submitters conflict, but the independent predictors unanimously agree — a QC review flag, not a reclassification.
-
ATXN1 p.Gln203His
Conflicting
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln207His
Conflicting
Single submitter
spinocerebellar ataxia type 1
-
ATXN1 p.Gly258Cys
Conflicting
Single submitter
spinocerebellar ataxia type 1
-
ATXN1 p.Gly715Ser
Conflicting
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro264Leu
Conflicting
Single submitter
Inborn genetic diseases
- ATXN1 p.Val560Met Conflicting Single submitter
Predictors lean, ClinVar uncertain 87
ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification.
-
ATXN1 p.Gln210His
Uncertain significance
Multiple submitters
spinocerebellar ataxia type 1
-
ATXN1 p.Gln212His
Uncertain significance
Multiple submitters
spinocerebellar ataxia type 1
-
ATXN1 p.Ala107Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala152Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala158Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala165Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala195Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala261Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala392Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala400Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala427Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala44Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala501Val
Uncertain significance
Single submitter
spinocerebellar ataxia type 1
-
ATXN1 p.Ala564Glu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala565Val
Uncertain significance
Single submitter
Inborn genetic diseases
- ATXN1 p.Ala583Val Uncertain significance Single submitter
-
ATXN1 p.Ala63Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala724Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala92Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ala99Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg171Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg171His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg303Trp
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg39Gln
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg39Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg53Gln
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg53Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg53Trp
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Arg617Lys
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Asn387Lys
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln119Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln201His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln202His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln204His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln206His
Uncertain significance
Single submitter
Inborn genetic diseases
- ATXN1 p.Gln208His Uncertain significance Single submitter
-
ATXN1 p.Gly192Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly258Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly297Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly345Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly495Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly52Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly64Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly679Glu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly70Asp
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gly718Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.His622Gln
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ile130Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ile75Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Leu233Phe
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Leu344Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Leu490Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Leu738Val
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Leu793Ile
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro191Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro231Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro239Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro240Gln
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro254Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro263Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro285Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro337Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro337Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro459Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro47Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro493Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro545Ser
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro567Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro62Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro89Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser136Gly
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser186Ile
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser188Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser238Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser371Asn
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser376Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser502Leu
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser623Arg
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Thr190Lys
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Thr190Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Thr540Pro
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Thr769Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Val290Ile
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Val382Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Val557Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Val813Ile
Uncertain significance
Single submitter
Inborn genetic diseases
- ATXN1 p.Gln469Lys Uncertain significance No assertion criteria
Predictors split 10
The independent predictors disagree with each other — read with care.
-
ATXN1 p.Ala602Ser
Uncertain significance
Single submitter
spinocerebellar ataxia type 1
-
ATXN1 p.Cys806Phe
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Gln212Pro
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Glu778Ala
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ile629Met
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ile807Thr
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Ser358Cys
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Tyr454His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Tyr474His
Uncertain significance
Single submitter
Inborn genetic diseases
-
ATXN1 p.Pro624Leu
Likely benign
No assertion criteria
ATXN1-related disorder
All ATXN1 variants
Pathogenic 1
- p.Gln208[36_38] No assertion criteria spinocerebellar ataxia type 1
Conflicting classifications of pathogenicity 8
- p.Gln203His Single submitter Inborn genetic diseases ⚠
- p.Gln207His Single submitter spinocerebellar ataxia type 1 ⚠
- p.Gln208del Single submitter
- p.Gly258Cys Single submitter spinocerebellar ataxia type 1 ⚠
- p.Gly335Glu Single submitter Inborn genetic diseases
- p.Gly715Ser Single submitter Inborn genetic diseases ⚠
- p.Pro264Leu Single submitter Inborn genetic diseases ⚠
- p.Val560Met Single submitter ⚠
Benign 11
- c.1917+14G>T Single submitter
- p.Ala158= Single submitter
- p.Ala565= Single submitter
- p.Gln224_Gln225dup Single submitter spinocerebellar ataxia type 1
- p.His209_Gln214del Single submitter
- p.His209_Gln216del Single submitter
- p.209HQ[1] No assertion criteria ATXN1-related disorder
- p.Gln210_His211insGln No assertion criteria ATXN1-related disorder
- p.Gln214_Gln215insHis No assertion criteria ATXN1-related disorder
- p.Gln215_Gln216insHis No assertion criteria ATXN1-related disorder
- p.Ser677= No assertion criteria ATXN1-related disorder
Benign/Likely benign 4
- p.Gln207_Gln208insHis Multiple submitters
- p.Gln208dup Multiple submitters spinocerebellar ataxia type 1
- p.Pro109= Multiple submitters
- p.Thr32Ser Multiple submitters
Likely benign 66
- p.Ala717Val Multiple submitters spinocerebellar ataxia type 1
- p.Gln208_His209insGlnGln Multiple submitters
- p.Gln212_Gln213insHisGlnGln Multiple submitters
- p.Gln222_Gln225del Multiple submitters
- p.His209Gln Multiple submitters
- p.Pro89= Multiple submitters
- p.Ser186Cys Multiple submitters
- p.Thr525= Multiple submitters
- p.Ala104= Single submitter
- p.Ala105Val Single submitter Inborn genetic diseases
- p.Ala163Thr Single submitter
- p.Ala347= Single submitter
- p.Ala542= Single submitter
- p.Arg24= Single submitter
- p.Arg332Gln Single submitter
- p.Asn9= Single submitter
- p.Gln208_His209insGlnGlnGln Single submitter
- p.Gln208_His209insGlnGlnGlnGln Single submitter
- p.Gln208_His209insGlnGlnGlnGlnGln Single submitter
- p.Gln208_His209insGlnGlnGlnGlnGlnGln Single submitter
- p.Gln212_Gln213insHis Single submitter
- p.Gln212_Gln213insHisGln Single submitter
- p.Gln213His Single submitter
- p.Gln215His Single submitter
- p.Gln216_Gln217insHisGlnHisGln Single submitter
- p.Gln218_Gln219insHisGlnHisGlnGlnGln Single submitter
- p.Gln219_Gln225del Single submitter
- p.Gln223_Gln225del Single submitter
- p.Gln224_Gln225del Single submitter
- p.Gln225_His226insGlnGlnGln Single submitter
- p.Gln225del Single submitter
- p.Gly422= Single submitter
- p.Gly42Ala Single submitter
- p.Gly467Ser Single submitter Inborn genetic diseases
- p.His209_His211del Single submitter
- p.Ile730Val Single submitter
- p.Leu738= Single submitter
- p.Phe757Leu Single submitter Inborn genetic diseases
- p.Pro111= Single submitter
- p.Pro154= Single submitter
- p.Pro254= Single submitter
- p.Pro355= Single submitter
- p.Ser376= Single submitter
- p.Ser779Thr Single submitter Inborn genetic diseases
- p.Thr257= Single submitter
- p.Thr257Ala Single submitter Inborn genetic diseases
- p.Thr390= Single submitter
- p.Thr665= Single submitter
- p.Tyr356= Single submitter
- p.Tyr426= Single submitter
- p.Tyr474= Single submitter
- p.Val118Met Single submitter
- p.Val813= Single submitter
- p.Ala309= No assertion criteria
- p.Ala501= No assertion criteria ATXN1-related disorder
- p.Gln225His No assertion criteria
- p.Glu404= No assertion criteria
- p.His211Gln No assertion criteria
- p.Leu342= No assertion criteria ATXN1-related disorder
- p.Pro545= No assertion criteria ATXN1-related disorder
- p.Pro624Leu No assertion criteria ATXN1-related disorder ⚠
- p.Pro753Ser No assertion criteria
- p.Ser466= No assertion criteria ATXN1-related disorder
- p.Thr101Met No assertion criteria ATXN1-related disorder
- p.Thr190= No assertion criteria ATXN1-related disorder
- p.Tyr106= No assertion criteria ATXN1-related disorder
Uncertain significance 113
- p.Gln210His Multiple submitters spinocerebellar ataxia type 1 ⚠
- p.Gln212His Multiple submitters spinocerebellar ataxia type 1 ⚠
- p.His211del Multiple submitters
- p.Ala107Thr Single submitter Inborn genetic diseases ⚠
- p.Ala152Thr Single submitter Inborn genetic diseases ⚠
- p.Ala158Val Single submitter Inborn genetic diseases ⚠
- p.Ala165Thr Single submitter Inborn genetic diseases ⚠
- p.Ala195Thr Single submitter Inborn genetic diseases ⚠
- p.Ala261Thr Single submitter Inborn genetic diseases ⚠
- p.Ala392Thr Single submitter Inborn genetic diseases ⚠
- p.Ala400Thr Single submitter Inborn genetic diseases ⚠
- p.Ala427Val Single submitter Inborn genetic diseases ⚠
- p.Ala44Thr Single submitter Inborn genetic diseases ⚠
- p.Ala501Val Single submitter spinocerebellar ataxia type 1 ⚠
- p.Ala564Glu Single submitter Inborn genetic diseases ⚠
- p.Ala565Val Single submitter Inborn genetic diseases ⚠
- p.Ala583Val Single submitter ⚠
- p.Ala602Ser Single submitter spinocerebellar ataxia type 1 ⚠
- p.Ala63Thr Single submitter Inborn genetic diseases ⚠
- p.Ala724Thr Single submitter Inborn genetic diseases ⚠
- p.Ala92Thr Single submitter Inborn genetic diseases ⚠
- p.Ala99Gly Single submitter Inborn genetic diseases ⚠
- p.Arg171Cys Single submitter Inborn genetic diseases ⚠
- p.Arg171His Single submitter Inborn genetic diseases ⚠
- p.Arg303Trp Single submitter Inborn genetic diseases ⚠
- p.Arg333Leu Single submitter Inborn genetic diseases
- p.Arg39Gln Single submitter Inborn genetic diseases ⚠
- p.Arg39Gly Single submitter Inborn genetic diseases ⚠
- p.Arg53Gln Single submitter Inborn genetic diseases ⚠
- p.Arg53Leu Single submitter Inborn genetic diseases ⚠
- p.Arg53Trp Single submitter Inborn genetic diseases ⚠
- p.Arg617Lys Single submitter Inborn genetic diseases ⚠
- p.Arg780His Single submitter Inborn genetic diseases
- p.Asn387Lys Single submitter Inborn genetic diseases ⚠
- p.Asn692fs Single submitter
- p.Cys806Phe Single submitter Inborn genetic diseases ⚠
- p.Gln119Arg Single submitter Inborn genetic diseases ⚠
- p.Gln201His Single submitter Inborn genetic diseases ⚠
- p.Gln202His Single submitter Inborn genetic diseases ⚠
- p.Gln204His Single submitter Inborn genetic diseases ⚠
- p.Gln206His Single submitter Inborn genetic diseases ⚠
- p.Gln208His Single submitter ⚠
- p.Gln212Pro Single submitter Inborn genetic diseases ⚠
- p.Gln213_Gln214insHisGln Single submitter spinocerebellar ataxia type 1
- p.Gln225_His226insGlnGlnGlnGlnGlnHis Single submitter spinocerebellar ataxia type 1
- p.Gln551Ter Single submitter
- p.Gln72Ter Single submitter
- p.Glu778Ala Single submitter Inborn genetic diseases ⚠
- p.Gly192Ala Single submitter Inborn genetic diseases ⚠
- p.Gly258Ser Single submitter Inborn genetic diseases ⚠
- p.Gly297Ser Single submitter Inborn genetic diseases ⚠
- p.Gly335Arg Single submitter Inborn genetic diseases
- p.Gly345Arg Single submitter Inborn genetic diseases ⚠
- p.Gly419Glu Single submitter Inborn genetic diseases
- p.Gly495Asp Single submitter Inborn genetic diseases
- p.Gly495Val Single submitter Inborn genetic diseases ⚠
- p.Gly52Val Single submitter Inborn genetic diseases ⚠
- p.Gly64Arg Single submitter Inborn genetic diseases ⚠
- p.Gly679Glu Single submitter Inborn genetic diseases ⚠
- p.Gly70Asp Single submitter Inborn genetic diseases ⚠
- p.Gly718Ser Single submitter Inborn genetic diseases ⚠
- p.His622Gln Single submitter Inborn genetic diseases ⚠
- p.Ile130Leu Single submitter Inborn genetic diseases ⚠
- p.Ile629Met Single submitter Inborn genetic diseases ⚠
- p.Ile75Thr Single submitter Inborn genetic diseases ⚠
- p.Ile807Thr Single submitter Inborn genetic diseases ⚠
- p.Leu233Phe Single submitter Inborn genetic diseases ⚠
- p.Leu344Val Single submitter Inborn genetic diseases ⚠
- p.Leu490Val Single submitter Inborn genetic diseases ⚠
- p.Leu738Val Single submitter Inborn genetic diseases ⚠
- p.Leu793Ile Single submitter Inborn genetic diseases ⚠
- p.Pro191Leu Single submitter Inborn genetic diseases ⚠
- p.Pro231Leu Single submitter Inborn genetic diseases ⚠
- p.Pro239Thr Single submitter Inborn genetic diseases ⚠
- p.Pro240Gln Single submitter Inborn genetic diseases ⚠
- p.Pro254Leu Single submitter Inborn genetic diseases ⚠
- p.Pro263Ser Single submitter Inborn genetic diseases ⚠
- p.Pro285Ala Single submitter Inborn genetic diseases ⚠
- p.Pro337Leu Single submitter Inborn genetic diseases ⚠
- p.Pro337Ser Single submitter Inborn genetic diseases ⚠
- p.Pro459Thr Single submitter Inborn genetic diseases ⚠
- p.Pro47Leu Single submitter Inborn genetic diseases ⚠
- p.Pro493Leu Single submitter Inborn genetic diseases ⚠
- p.Pro545Ser Single submitter Inborn genetic diseases ⚠
- p.Pro567Leu Single submitter Inborn genetic diseases ⚠
- p.Pro62Leu Single submitter Inborn genetic diseases ⚠
- p.Pro89Leu Single submitter Inborn genetic diseases ⚠
- p.Ser136Gly Single submitter Inborn genetic diseases ⚠
- p.Ser186Ile Single submitter Inborn genetic diseases ⚠
- p.Ser188Asn Single submitter Inborn genetic diseases ⚠
- p.Ser238Thr Single submitter Inborn genetic diseases ⚠
- p.Ser358Cys Single submitter Inborn genetic diseases ⚠
- p.Ser371Asn Single submitter Inborn genetic diseases ⚠
- p.Ser376Leu Single submitter Inborn genetic diseases ⚠
- p.Ser502Leu Single submitter Inborn genetic diseases ⚠
- p.Ser623Arg Single submitter Inborn genetic diseases ⚠
- p.Ser677Ter Single submitter
- p.Thr190Lys Single submitter Inborn genetic diseases ⚠
- p.Thr190Met Single submitter Inborn genetic diseases ⚠
- p.Thr521= Single submitter Tip-toe gait
- p.Thr540Pro Single submitter Inborn genetic diseases ⚠
- p.Thr769Met Single submitter Inborn genetic diseases ⚠
- p.Tyr356Ter Single submitter
- p.Tyr454His Single submitter Inborn genetic diseases ⚠
- p.Tyr474His Single submitter Inborn genetic diseases ⚠
- p.Val290Ile Single submitter Inborn genetic diseases ⚠
- p.Val382Met Single submitter Inborn genetic diseases ⚠
- p.Val557Ala Single submitter Inborn genetic diseases ⚠
- p.Val615Ile Single submitter Inborn genetic diseases
- p.Val642Ile Single submitter Inborn genetic diseases
- p.Val813Ile Single submitter Inborn genetic diseases ⚠
- c.-160-39282_-160-39238del No assertion criteria schizophrenia
- p.Gln469Lys No assertion criteria ⚠