Incidental Mutation 'R0136:Atxn1'
ID 21975
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 038421-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0136 (G1)
Quality Score 225
Status Validated (trace)
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 45720645 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 417 (S417P)
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect probably damaging
Transcript: ENSMUST00000091628
AA Change: S417P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: S417P

DomainStartEndE-ValueType
low complexity region 47 67 N/A INTRINSIC
low complexity region 153 168 N/A INTRINSIC
Pfam:ATXN-1_C 391 421 8.7e-15 PFAM
AXH 545 664 1.42e-82 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000167708
AA Change: S417P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: S417P

DomainStartEndE-ValueType
low complexity region 47 67 N/A INTRINSIC
low complexity region 153 168 N/A INTRINSIC
Pfam:ATXN-1_C 391 421 8.7e-15 PFAM
AXH 545 664 1.42e-82 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000180110
AA Change: S417P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: S417P

DomainStartEndE-ValueType
low complexity region 47 67 N/A INTRINSIC
low complexity region 153 168 N/A INTRINSIC
Pfam:ATXN-1_C 402 421 3e-10 PFAM
low complexity region 537 548 N/A INTRINSIC
Pfam:AXH 550 671 1.1e-44 PFAM
Meta Mutation Damage Score 0.1048 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.3%
  • 10x: 96.5%
  • 20x: 93.3%
Validation Efficiency 89% (56/63)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The autosomal dominant cerebellar ataxias (ADCA) are a heterogeneous group of neurodegenerative disorders characterized by progressive degeneration of the cerebellum, brain stem and spinal cord. Clinically, ADCA has been divided into three groups: ADCA types I-III. ADCAI is genetically heterogeneous, with five genetic loci, designated spinocerebellar ataxia (SCA) 1, 2, 3, 4 and 6, being assigned to five different chromosomes. ADCAII, which always presents with retinal degeneration (SCA7), and ADCAIII often referred to as the `pure' cerebellar syndrome (SCA5), are most likely homogeneous disorders. Several SCA genes have been cloned and shown to contain CAG repeats in their coding regions. ADCA is caused by the expansion of the CAG repeats, producing an elongated polyglutamine tract in the corresponding protein. The expanded repeats are variable in size and unstable, usually increasing in size when transmitted to successive generations. The function of the ataxins is not known. This locus has been mapped to chromosome 6, and it has been determined that the diseased allele contains 40-83 CAG repeats, compared to 6-39 in the normal allele, and is associated with spinocerebellar ataxia type 1 (SCA1). At least two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2016]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit decreased exploration, impaired spatial working memory, impaired coordination, and decreased paired-pulse facilitation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ap4b1 T C 3: 103,717,262 (GRCm39) M1T probably null Het
Arg2 T C 12: 79,196,780 (GRCm39) L167P probably damaging Het
Baz2b A G 2: 59,732,298 (GRCm39) V1949A probably benign Het
Bcl3 A G 7: 19,543,494 (GRCm39) V324A probably damaging Het
Btbd10 A T 7: 112,929,085 (GRCm39) S230T possibly damaging Het
Camta1 A G 4: 151,163,426 (GRCm39) S1479P probably damaging Het
Cd69 C T 6: 129,247,025 (GRCm39) S64N probably benign Het
Col5a1 T C 2: 27,914,843 (GRCm39) L153P probably damaging Het
Crat C A 2: 30,297,042 (GRCm39) V304L probably benign Het
Csmd3 T C 15: 47,710,527 (GRCm39) T1687A probably benign Het
Dnah1 C T 14: 30,998,115 (GRCm39) G2574D probably damaging Het
Fau T C 19: 6,109,210 (GRCm39) V86A possibly damaging Het
Garem1 T G 18: 21,263,048 (GRCm39) S589R probably damaging Het
Gbp3 T G 3: 142,269,862 (GRCm39) probably null Het
Gin1 T A 1: 97,710,741 (GRCm39) S141R possibly damaging Het
Gtf2h1 A T 7: 46,464,840 (GRCm39) Q419L possibly damaging Het
Hipk3 A G 2: 104,269,638 (GRCm39) I517T probably benign Het
Hivep2 T C 10: 14,007,622 (GRCm39) S1407P probably benign Het
Hnrnpk G T 13: 58,542,991 (GRCm39) D211E probably benign Het
Hnrnpul2 T C 19: 8,804,165 (GRCm39) L588P probably damaging Het
Il18rap A T 1: 40,564,218 (GRCm39) H112L probably benign Het
Itgb1 T G 8: 129,449,335 (GRCm39) Y585D possibly damaging Het
Kmt2d C T 15: 98,752,159 (GRCm39) probably benign Het
Map7d1 A T 4: 126,130,424 (GRCm39) probably null Het
Me2 A G 18: 73,903,744 (GRCm39) S575P probably benign Het
Med13l A G 5: 118,862,115 (GRCm39) T353A probably benign Het
Mgat4b T C 11: 50,121,908 (GRCm39) V143A possibly damaging Het
Mlxip T A 5: 123,580,369 (GRCm39) W211R probably damaging Het
Morc2a T G 11: 3,635,907 (GRCm39) probably null Het
Muc4 A T 16: 32,569,013 (GRCm39) probably benign Het
Ndufa10 A T 1: 92,390,850 (GRCm39) Y233* probably null Het
Nek8 C T 11: 78,062,033 (GRCm39) S237N probably benign Het
Neto1 G A 18: 86,479,445 (GRCm39) R211Q probably benign Het
Nfatc2ip A G 7: 125,990,507 (GRCm39) S165P probably benign Het
Nsd2 A G 5: 34,012,880 (GRCm39) K404E possibly damaging Het
Nsd3 G T 8: 26,149,870 (GRCm39) E352* probably null Het
Nudt9 A G 5: 104,194,972 (GRCm39) T23A probably benign Het
Or1e34 T C 11: 73,778,611 (GRCm39) M196V probably benign Het
Or1e34 C T 11: 73,778,656 (GRCm39) V181I probably benign Het
Or8b57 A G 9: 40,003,315 (GRCm39) *312Q probably null Het
Patj C A 4: 98,555,885 (GRCm39) Q297K probably damaging Het
Pelo A T 13: 115,225,439 (GRCm39) C40* probably null Het
Pnpla3 G A 15: 84,058,679 (GRCm39) probably null Het
Pramel1 C A 4: 143,124,016 (GRCm39) N230K probably damaging Het
Psg20 A C 7: 18,416,432 (GRCm39) L228R probably damaging Het
Rsph10b T C 5: 143,896,639 (GRCm39) F44L probably benign Het
Septin2 G A 1: 93,434,772 (GRCm39) G358R possibly damaging Het
Slamf7 G A 1: 171,476,499 (GRCm39) probably benign Het
Slc12a8 A G 16: 33,428,583 (GRCm39) D297G probably damaging Het
Slc17a5 G A 9: 78,485,956 (GRCm39) A43V probably damaging Het
Slc22a1 A T 17: 12,881,483 (GRCm39) F335L probably benign Het
Slc26a5 T C 5: 22,039,345 (GRCm39) N216S probably damaging Het
Snrnp27 T C 6: 86,653,187 (GRCm39) S144G probably benign Het
Spata20 T A 11: 94,371,435 (GRCm39) D643V probably damaging Het
Spata24 T C 18: 35,793,515 (GRCm39) K99R probably damaging Het
Taar5 A G 10: 23,847,607 (GRCm39) Y335C probably damaging Het
Tpr A G 1: 150,306,346 (GRCm39) H1540R probably benign Het
Vmn1r27 A G 6: 58,192,704 (GRCm39) F100S possibly damaging Het
Vmn2r37 A T 7: 9,220,782 (GRCm39) Y360* probably null Het
Ybx1 C A 4: 119,139,551 (GRCm39) R36L possibly damaging Het
Zfp369 A G 13: 65,445,016 (GRCm39) K720E probably benign Het
Zfp599 A G 9: 22,161,038 (GRCm39) S376P probably benign Het
Zic2 A G 14: 122,713,953 (GRCm39) E289G probably damaging Het
Zzef1 T C 11: 72,712,677 (GRCm39) V199A probably benign Het
Other mutations in Atxn1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01374:Atxn1 APN 13 45,721,903 (GRCm39) utr 5 prime probably benign
IGL01467:Atxn1 APN 13 45,720,669 (GRCm39) missense probably damaging 1.00
IGL01482:Atxn1 APN 13 45,710,790 (GRCm39) missense probably benign 0.00
IGL01512:Atxn1 APN 13 45,720,077 (GRCm39) missense probably damaging 0.99
IGL01735:Atxn1 APN 13 45,720,198 (GRCm39) missense probably damaging 1.00
IGL02005:Atxn1 APN 13 45,721,701 (GRCm39) missense probably benign 0.00
IGL02333:Atxn1 APN 13 45,720,680 (GRCm39) missense probably damaging 1.00
Cormorant UTSW 13 45,710,545 (GRCm39) missense probably damaging 1.00
pelagic UTSW 13 45,720,288 (GRCm39) missense probably benign 0.05
R0180:Atxn1 UTSW 13 45,711,024 (GRCm39) missense probably damaging 1.00
R0299:Atxn1 UTSW 13 45,720,645 (GRCm39) missense probably damaging 0.99
R0540:Atxn1 UTSW 13 45,711,006 (GRCm39) missense probably damaging 1.00
R1220:Atxn1 UTSW 13 45,710,899 (GRCm39) missense probably benign 0.08
R1484:Atxn1 UTSW 13 45,711,052 (GRCm39) nonsense probably null
R1532:Atxn1 UTSW 13 45,720,386 (GRCm39) missense possibly damaging 0.95
R1885:Atxn1 UTSW 13 45,721,280 (GRCm39) missense probably benign 0.27
R2277:Atxn1 UTSW 13 45,710,544 (GRCm39) missense probably damaging 0.99
R2847:Atxn1 UTSW 13 45,720,175 (GRCm39) missense probably damaging 1.00
R2849:Atxn1 UTSW 13 45,720,175 (GRCm39) missense probably damaging 1.00
R4326:Atxn1 UTSW 13 46,119,443 (GRCm39) unclassified probably benign
R4626:Atxn1 UTSW 13 45,720,575 (GRCm39) missense probably damaging 1.00
R4768:Atxn1 UTSW 13 45,711,024 (GRCm39) missense probably damaging 1.00
R4944:Atxn1 UTSW 13 45,720,407 (GRCm39) missense probably damaging 1.00
R5011:Atxn1 UTSW 13 45,710,545 (GRCm39) missense probably damaging 1.00
R5061:Atxn1 UTSW 13 45,710,569 (GRCm39) missense probably damaging 1.00
R5293:Atxn1 UTSW 13 45,721,844 (GRCm39) missense probably damaging 1.00
R5299:Atxn1 UTSW 13 45,710,730 (GRCm39) missense probably benign 0.14
R5561:Atxn1 UTSW 13 45,720,347 (GRCm39) missense possibly damaging 0.49
R5667:Atxn1 UTSW 13 45,710,853 (GRCm39) missense probably benign 0.17
R6092:Atxn1 UTSW 13 45,720,288 (GRCm39) missense probably benign 0.05
R6272:Atxn1 UTSW 13 45,721,238 (GRCm39) missense possibly damaging 0.49
R6372:Atxn1 UTSW 13 45,710,932 (GRCm39) missense probably damaging 1.00
R6688:Atxn1 UTSW 13 45,721,147 (GRCm39) missense probably damaging 0.99
R6997:Atxn1 UTSW 13 45,721,095 (GRCm39) missense probably benign 0.04
R7041:Atxn1 UTSW 13 45,720,311 (GRCm39) missense probably damaging 1.00
R7578:Atxn1 UTSW 13 45,720,834 (GRCm39) missense probably benign 0.02
R7600:Atxn1 UTSW 13 45,710,536 (GRCm39) missense possibly damaging 0.90
R8112:Atxn1 UTSW 13 45,721,433 (GRCm39) missense probably benign
R8297:Atxn1 UTSW 13 45,720,505 (GRCm39) missense probably benign
R8411:Atxn1 UTSW 13 45,720,032 (GRCm39) missense probably benign 0.02
R8482:Atxn1 UTSW 13 45,721,426 (GRCm39) missense possibly damaging 0.75
R9022:Atxn1 UTSW 13 45,720,891 (GRCm39) missense probably damaging 1.00
R9269:Atxn1 UTSW 13 45,710,680 (GRCm39) missense probably benign 0.01
R9310:Atxn1 UTSW 13 45,721,494 (GRCm39) missense probably damaging 1.00
R9514:Atxn1 UTSW 13 45,721,433 (GRCm39) missense probably benign
R9626:Atxn1 UTSW 13 45,710,796 (GRCm39) missense possibly damaging 0.92
R9673:Atxn1 UTSW 13 45,710,622 (GRCm39) missense probably benign 0.01
R9744:Atxn1 UTSW 13 45,721,299 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TGCAGCAAACTGGGGTGATGAC -3'
(R):5'- TGTGATGGTTCTGCCTAATAGCAGC -3'

Sequencing Primer
(F):5'- GCGTGTCCATGTCAGGG -3'
(R):5'- TTCTGCCTAATAGCAGCACACC -3'
Posted On 2013-04-12