Incidental Mutation 'R4326:Atxn1'
ID 324379
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 041096-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4326 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation unclassified
DNA Base Change (assembly) T to C at 46119443 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect noncoding transcript
Transcript: ENSMUST00000038032
SMART Domains Protein: ENSMUSP00000035350
Gene: ENSMUSG00000038152

DomainStartEndE-ValueType
low complexity region 79 94 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000091628
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876

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 benign
Transcript: ENSMUST00000167708
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876

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 benign
Transcript: ENSMUST00000180110
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189843
Predicted Effect noncoding transcript
Transcript: ENSMUST00000221082
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222943
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.4%
Validation Efficiency 98% (57/58)
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcd3 A G 3: 121,555,119 (GRCm39) V616A probably benign Het
Abhd17a A G 10: 80,419,884 (GRCm39) S241P probably benign Het
Adamts15 T C 9: 30,815,814 (GRCm39) S681G probably benign Het
Arap2 A T 5: 62,779,206 (GRCm39) H1461Q possibly damaging Het
Armc3 A G 2: 19,305,284 (GRCm39) K681E probably damaging Het
Arrdc5 T C 17: 56,601,420 (GRCm39) E235G possibly damaging Het
C9orf72 T A 4: 35,225,985 (GRCm39) probably benign Het
Capn13 C A 17: 73,638,103 (GRCm39) K433N probably benign Het
Ccdc113 G A 8: 96,283,896 (GRCm39) M323I probably benign Het
Cd55 A T 1: 130,380,220 (GRCm39) C253S probably damaging Het
Cyp2j8 T A 4: 96,395,566 (GRCm39) T20S probably benign Het
Dnah8 G A 17: 30,971,066 (GRCm39) V2707M probably benign Het
Erlec1 C T 11: 30,899,972 (GRCm39) E166K probably benign Het
Fastkd2 A G 1: 63,791,516 (GRCm39) K675E probably benign Het
Gid4 G A 11: 60,308,662 (GRCm39) V61M possibly damaging Het
Glt28d2 G A 3: 85,779,393 (GRCm39) Q27* probably null Het
Ipo8 A T 6: 148,701,662 (GRCm39) probably benign Het
Isx A G 8: 75,600,284 (GRCm39) I6V probably benign Het
Itsn1 A G 16: 91,650,743 (GRCm39) probably benign Het
Klhl40 A G 9: 121,607,956 (GRCm39) D372G probably benign Het
Krt80 C T 15: 101,250,189 (GRCm39) V19M possibly damaging Het
Lingo2 T A 4: 35,708,462 (GRCm39) D506V probably damaging Het
Lmo7 A T 14: 102,137,510 (GRCm39) E504D possibly damaging Het
Lpcat4 G A 2: 112,076,737 (GRCm39) E454K probably benign Het
Macf1 C T 4: 123,276,005 (GRCm39) A4176T probably damaging Het
Noxo1 G A 17: 24,917,937 (GRCm39) R81H probably benign Het
Or10ab4 T C 7: 107,654,362 (GRCm39) Y58H probably damaging Het
Or7g34 T A 9: 19,478,318 (GRCm39) M121L possibly damaging Het
Pafah1b1 T C 11: 74,573,066 (GRCm39) T333A probably benign Het
Pak1ip1 A G 13: 41,158,232 (GRCm39) D35G possibly damaging Het
Pak3 T C X: 142,516,205 (GRCm39) probably null Het
Pcdhb9 A T 18: 37,534,875 (GRCm39) S290C probably benign Het
Pcdhb9 G T 18: 37,534,876 (GRCm39) S290I probably benign Het
Ppp2r2d T A 7: 138,470,214 (GRCm39) V25D probably damaging Het
Prdm15 G T 16: 97,607,715 (GRCm39) N709K probably damaging Het
Ptprs C A 17: 56,754,468 (GRCm39) A191S possibly damaging Het
Rrs1 G T 1: 9,616,566 (GRCm39) R273L possibly damaging Het
Sin3a T C 9: 57,002,642 (GRCm39) L178P probably damaging Het
Slc13a1 A G 6: 24,103,478 (GRCm39) V355A probably benign Het
Spen T G 4: 141,204,683 (GRCm39) N1315H unknown Het
Ssrp1 A G 2: 84,870,561 (GRCm39) probably benign Het
St7 G A 6: 17,819,287 (GRCm39) V64M probably damaging Het
Syne2 C A 12: 75,999,516 (GRCm39) A2304E probably damaging Het
Tcf25 T A 8: 124,127,882 (GRCm39) L622* probably null Het
Tmem107 G T 11: 68,962,301 (GRCm39) probably null Het
Tmem62 T A 2: 120,810,991 (GRCm39) N156K probably damaging Het
Wdr90 G T 17: 26,072,705 (GRCm39) R884S probably benign Het
Zfp184 T C 13: 22,144,072 (GRCm39) Y593H probably damaging Het
Zfp934 T G 13: 62,665,373 (GRCm39) N312H probably benign Het
Zfta A G 19: 7,398,591 (GRCm39) 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
R0136:Atxn1 UTSW 13 45,720,645 (GRCm39) missense probably damaging 0.99
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
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'- AAAGTTCTCAGGCTTCCCCAG -3'
(R):5'- ACCTGTTGGCAAGGTGAACG -3'

Sequencing Primer
(F):5'- TTTCCTGCCTGGACAAGCTGG -3'
(R):5'- TGAACGCCTCCAGAGAAGAGTTC -3'
Posted On 2015-06-24