Incidental Mutation 'R6997:Atxn1'
ID 544303
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 045103-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6997 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 45721095 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 267 (V267M)
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect probably benign
Transcript: ENSMUST00000091628
AA Change: V267M

PolyPhen 2 Score 0.042 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: V267M

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
AA Change: V267M

PolyPhen 2 Score 0.042 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: V267M

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
AA Change: V267M

PolyPhen 2 Score 0.042 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: V267M

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 97% (58/60)
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam3 T C 8: 25,171,539 (GRCm39) Y764C probably benign Het
Cadps T A 14: 12,505,793 (GRCm38) H759L possibly damaging Het
Calcoco2 GGGCCTTCTCTTTCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTTCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTTCTCCCAGGAGGCCTTCTCTTCC GGGCCTTCTCTTTCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTCCTCCCAGGAGGCCTTCTCTTTCTCCCAGGAGGCCTTCTCTTCC 11: 95,990,808 (GRCm39) probably benign Het
Caprin2 A G 6: 148,779,474 (GRCm39) L111P probably damaging Het
Ccl8 A T 11: 82,006,865 (GRCm39) D26V possibly damaging Het
Cdh19 T C 1: 110,882,596 (GRCm39) probably benign Het
Cnga3 C A 1: 37,283,965 (GRCm39) H89Q probably benign Het
Cnga4 A T 7: 105,056,190 (GRCm39) Q264L probably damaging Het
Coil A G 11: 88,872,673 (GRCm39) T345A probably benign Het
Cyp11b2 A G 15: 74,723,281 (GRCm39) L461P probably damaging Het
Dock2 T C 11: 34,414,922 (GRCm39) E151G probably damaging Het
Dsc1 C T 18: 20,219,701 (GRCm39) probably null Het
Dync2h1 A T 9: 7,168,743 (GRCm39) C357S probably null Het
Ebf3 A C 7: 136,826,994 (GRCm39) I306R probably damaging Het
Eprs1 A G 1: 185,128,360 (GRCm39) H580R possibly damaging Het
Ermap A T 4: 119,035,810 (GRCm39) F393I probably damaging Het
Flii T C 11: 60,613,151 (GRCm39) T217A probably benign Het
Fras1 C T 5: 96,762,732 (GRCm39) Q745* probably null Het
Gja8 A G 3: 96,826,657 (GRCm39) V335A probably benign Het
Gm21560 A T 14: 6,218,333 (GRCm38) N48K probably damaging Het
Gpr158 C T 2: 21,653,802 (GRCm39) T457I possibly damaging Het
Kcnv1 A T 15: 44,977,997 (GRCm39) S14T unknown Het
Lamb2 T C 9: 108,358,496 (GRCm39) Y178H probably damaging Het
Lamc2 G A 1: 153,012,508 (GRCm39) T722M probably benign Het
Map1b T C 13: 99,567,142 (GRCm39) T1860A unknown Het
Map2k7 T C 8: 4,294,035 (GRCm39) Y194H possibly damaging Het
Map4 T A 9: 109,881,982 (GRCm39) M282K probably benign Het
Mmp10 A G 9: 7,503,531 (GRCm39) I134V probably benign Het
Mrtfa G T 15: 80,902,649 (GRCm39) S220* probably null Het
Msh5 A T 17: 35,248,978 (GRCm39) L685Q probably damaging Het
Myh1 T A 11: 67,111,463 (GRCm39) I1634N possibly damaging Het
Myh13 C T 11: 67,217,980 (GRCm39) R18* probably null Het
Myo3b A T 2: 69,957,329 (GRCm39) I185L probably damaging Het
Ninl G T 2: 150,808,145 (GRCm39) H294Q probably benign Het
Or4a79 G A 2: 89,552,269 (GRCm39) A62V possibly damaging Het
Or51b17 A T 7: 103,542,238 (GRCm39) S235T probably benign Het
Or8b44 T C 9: 38,410,607 (GRCm39) I214T possibly damaging Het
Orm3 T A 4: 63,275,180 (GRCm39) L97Q probably damaging Het
Osbpl1a T C 18: 12,889,281 (GRCm39) N432S probably benign Het
Pikfyve T A 1: 65,285,822 (GRCm39) D1020E probably damaging Het
Pxk T A 14: 8,122,371 (GRCm38) D60E probably benign Het
Rack1 T A 11: 48,694,752 (GRCm39) V198E probably damaging Het
Ripk1 C T 13: 34,201,100 (GRCm39) A271V probably benign Het
Rsrc1 C T 3: 66,901,982 (GRCm39) P44L unknown Het
Ryr2 G T 13: 11,669,266 (GRCm39) H3513N possibly damaging Het
Scn7a A T 2: 66,534,147 (GRCm39) D509E probably damaging Het
Selplg GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT 5: 113,957,756 (GRCm39) probably benign Het
Sfxn5 A G 6: 85,233,414 (GRCm39) V181A probably benign Het
Slc5a4b C T 10: 75,925,812 (GRCm39) A198T probably damaging Het
Sp2 C T 11: 96,848,552 (GRCm39) R357H possibly damaging Het
Tchh CTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCC CTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCC 3: 93,354,015 (GRCm39) probably benign Het
Tnfrsf11b G A 15: 54,115,770 (GRCm39) L276F probably damaging Het
Usp37 A G 1: 74,493,118 (GRCm39) V723A probably benign Het
Usp45 G T 4: 21,781,844 (GRCm39) R36I probably damaging Het
Vcan T C 13: 89,838,737 (GRCm39) D2269G probably damaging Het
Vmn2r18 T A 5: 151,485,338 (GRCm39) M719L possibly damaging Het
Vmn2r52 C T 7: 9,902,998 (GRCm39) G477R probably benign Het
Vmn2r60 C A 7: 41,791,716 (GRCm39) N546K probably benign Het
Wnt8b G A 19: 44,500,280 (GRCm39) C289Y probably damaging Het
Zdbf2 T G 1: 63,329,925 (GRCm39) M10R probably benign Het
Zfp945 T A 17: 23,071,543 (GRCm39) K140* probably null 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
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'- CCACATGCCTGGACTCATAG -3'
(R):5'- CAGGGCTGCAGGATTAGTCAAC -3'

Sequencing Primer
(F):5'- ATGAGGCACTGACTTACTGC -3'
(R):5'- AGGATTAGTCAACCCGGGGTC -3'
Posted On 2019-05-13