Incidental Mutation 'R9744:Atxn1'
ID 731996
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9744 (G1)
Quality Score 225.009
Status Not validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) G to A at 45721299 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Stop codon at position 199 (Q199*)
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect probably null
Transcript: ENSMUST00000091628
AA Change: Q199*
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: Q199*

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 null
Transcript: ENSMUST00000167708
AA Change: Q199*
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: Q199*

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 null
Transcript: ENSMUST00000180110
AA Change: Q199*
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: Q199*

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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.3%
  • 20x: 98.5%
Validation Efficiency
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam7 T A 14: 68,742,583 (GRCm39) M677L probably benign Het
Ankrd24 T G 10: 81,482,951 (GRCm39) D966E possibly damaging Het
Arhgef28 A G 13: 98,094,261 (GRCm39) L961P probably damaging Het
Bcl2a1c G A 9: 114,159,341 (GRCm39) V40I probably benign Het
Cep41 A G 6: 30,656,603 (GRCm39) V283A probably benign Het
Cerk A G 15: 86,033,491 (GRCm39) Y311H probably damaging Het
Ciz1 A T 2: 32,253,859 (GRCm39) Q13L unknown Het
Cpeb2 T C 5: 43,391,268 (GRCm39) S155P Het
Dmbx1 T A 4: 115,777,262 (GRCm39) E200D probably damaging Het
Epha8 G T 4: 136,665,897 (GRCm39) L420M probably damaging Het
Erc1 T C 6: 119,720,360 (GRCm39) Y747C probably damaging Het
Fhad1 T C 4: 141,637,124 (GRCm39) E1114G probably damaging Het
Fndc3a C A 14: 72,777,693 (GRCm39) E1171* probably null Het
Grip1 G A 10: 119,874,569 (GRCm39) E778K possibly damaging Het
Gys2 A C 6: 142,394,187 (GRCm39) D450E probably benign Het
Hmcn1 A T 1: 150,623,941 (GRCm39) I1120N probably damaging Het
Ints3 G T 3: 90,318,605 (GRCm39) T210K probably damaging Het
Itih5 T C 2: 10,256,221 (GRCm39) Y896H probably damaging Het
Kcna7 A G 7: 45,056,402 (GRCm39) D206G probably benign Het
Klhl10 T A 11: 100,336,396 (GRCm39) C128S probably damaging Het
Klhl5 T C 5: 65,320,255 (GRCm39) V603A probably damaging Het
Mapk15 T A 15: 75,869,912 (GRCm39) I344N possibly damaging Het
Mdn1 T C 4: 32,715,711 (GRCm39) F1993L possibly damaging Het
Myo1c T C 11: 75,562,797 (GRCm39) L959P probably damaging Het
Nectin1 A G 9: 43,715,240 (GRCm39) Q492R probably damaging Het
Nlrp14 A T 7: 106,796,987 (GRCm39) L951F probably damaging Het
Nlrp5 T G 7: 23,120,902 (GRCm39) S705R possibly damaging Het
Nlrp9a A G 7: 26,267,266 (GRCm39) Y787C probably benign Het
Npsr1 A G 9: 24,201,182 (GRCm39) T189A probably benign Het
Nup205 T C 6: 35,209,510 (GRCm39) Y1606H probably damaging Het
Or2w4 A G 13: 21,795,827 (GRCm39) F104S possibly damaging Het
Or4k48 C A 2: 111,475,664 (GRCm39) R226L probably benign Het
Or6z5 A T 7: 6,477,210 (GRCm39) I34L probably benign Het
Pitx2 A T 3: 129,009,467 (GRCm39) T129S probably damaging Het
Pla2g2c T C 4: 138,470,972 (GRCm39) S118P probably damaging Het
Polr1a A G 6: 71,906,372 (GRCm39) N396S probably benign Het
Prl A T 13: 27,248,338 (GRCm39) Q135L probably benign Het
Prrc2c A G 1: 162,505,733 (GRCm39) L2555P possibly damaging Het
Psg29 A T 7: 16,944,495 (GRCm39) D335V probably benign Het
Psme4 T C 11: 30,765,294 (GRCm39) probably null Het
Ramp2 T A 11: 101,137,913 (GRCm39) S52T unknown Het
Skint6 C T 4: 112,666,360 (GRCm39) G1155D probably damaging Het
Sorcs1 G A 19: 50,215,275 (GRCm39) R655C probably damaging Het
Syne1 A G 10: 5,274,184 (GRCm39) C1867R probably benign Het
Tcf21 T C 10: 22,695,726 (GRCm39) D26G probably benign Het
Tmem132a G A 19: 10,840,678 (GRCm39) P418L probably damaging Het
Tob1 C T 11: 94,105,054 (GRCm39) R197C probably damaging Het
Vmn2r110 A G 17: 20,794,848 (GRCm39) V607A probably damaging Het
Vmn2r30 A G 7: 7,315,284 (GRCm39) S850P possibly damaging 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
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
Predicted Primers PCR Primer
(F):5'- CACAACCACCTGGGATGAAG -3'
(R):5'- AATACAGTGGGCCTTACGCG -3'

Sequencing Primer
(F):5'- ATGAAGGCCCCAGGGTG -3'
(R):5'- GCCTTACGCGGGCTTTATC -3'
Posted On 2022-11-14