Incidental Mutation 'R5561:Atxn1'
ID 436617
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 043118-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5561 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 45720347 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Asparagine at position 516 (T516N)
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect possibly damaging
Transcript: ENSMUST00000091628
AA Change: T516N

PolyPhen 2 Score 0.488 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: T516N

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 possibly damaging
Transcript: ENSMUST00000167708
AA Change: T516N

PolyPhen 2 Score 0.488 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: T516N

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 possibly damaging
Transcript: ENSMUST00000180110
AA Change: T516N

PolyPhen 2 Score 0.488 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: T516N

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: 99.6%
  • 10x: 97.9%
  • 20x: 93.4%
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A630095N17Rik T C 1: 75,197,181 (GRCm39) probably benign Het
Acyp2 C T 11: 30,456,354 (GRCm39) E98K possibly damaging Het
Adgrv1 A G 13: 81,624,683 (GRCm39) L3762P probably damaging Het
Amn1 G A 6: 149,086,522 (GRCm39) R4W probably damaging Het
Atxn7 A T 14: 14,089,260 (GRCm38) T259S probably benign Het
Bsn C G 9: 107,982,710 (GRCm39) R3681P unknown Het
C8b T C 4: 104,641,645 (GRCm39) Y194H possibly damaging Het
Ccdc110 T G 8: 46,393,646 (GRCm39) S119R probably benign Het
Ccdc202 C A 14: 96,119,807 (GRCm39) A188E probably benign Het
Ceacam20 A T 7: 19,704,318 (GRCm39) Q123L possibly damaging Het
Clip3 A G 7: 29,998,274 (GRCm39) D240G possibly damaging Het
Col24a1 T C 3: 145,004,588 (GRCm39) F22S probably benign Het
Dlg5 T A 14: 24,227,860 (GRCm39) M354L probably benign Het
Dnajb12 GC G 10: 59,728,574 (GRCm39) probably null Het
Dnase1l3 A G 14: 7,967,847 (GRCm38) V282A probably damaging Het
Dnhd1 G A 7: 105,364,028 (GRCm39) G4127S probably damaging Het
Eed G A 7: 89,617,001 (GRCm39) R165W probably damaging Het
Ephb2 C T 4: 136,388,717 (GRCm39) V627M probably damaging Het
Fancc T C 13: 63,465,201 (GRCm39) E502G possibly damaging Het
Fbf1 T C 11: 116,048,646 (GRCm39) D105G probably damaging Het
Fer T A 17: 64,344,580 (GRCm39) Y246* probably null Het
Fer1l6 A G 15: 58,532,674 (GRCm39) K1792E probably damaging Het
Foxi2 A G 7: 135,013,376 (GRCm39) D202G probably damaging Het
Gm11595 G A 11: 99,663,381 (GRCm39) R100C unknown Het
H2-DMb2 G T 17: 34,364,445 (GRCm39) probably null Het
Helq G T 5: 100,934,916 (GRCm39) D491E probably benign Het
Hgsnat A G 8: 26,436,362 (GRCm39) V564A possibly damaging Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Hs3st5 T A 10: 36,709,425 (GRCm39) V320D probably damaging Het
Ifit1bl1 A T 19: 34,571,197 (GRCm39) L420* probably null Het
Ift80 T G 3: 68,875,196 (GRCm39) N178T probably benign Het
Ing4 C T 6: 125,024,023 (GRCm39) T89I possibly damaging Het
Lcp1 G A 14: 75,449,948 (GRCm39) D386N probably benign Het
Mdc1 T A 17: 36,159,438 (GRCm39) I606K probably benign Het
Mllt10 T A 2: 18,114,656 (GRCm39) M120K probably damaging Het
Morc1 G T 16: 48,269,711 (GRCm39) L89F probably benign Het
Mroh2a GCCC GC 1: 88,159,979 (GRCm39) probably null Het
Nav3 C A 10: 109,552,413 (GRCm39) D1810Y probably damaging Het
Obscn G A 11: 58,926,919 (GRCm39) T5532M probably damaging Het
Opn3 C T 1: 175,493,153 (GRCm39) R137H probably damaging Het
Or12j2 C T 7: 139,916,065 (GRCm39) Q97* probably null Het
Or2d36 A G 7: 106,747,297 (GRCm39) N258S probably benign Het
Palld G A 8: 61,969,619 (GRCm39) A993V probably damaging Het
Ppp1r12c A T 7: 4,489,355 (GRCm39) probably null Het
Prdm4 TCTCCTCCT TCTCCT 10: 85,728,987 (GRCm39) probably null Het
Rapgef2 A T 3: 78,995,950 (GRCm39) probably null Het
Ring1 T C 17: 34,240,432 (GRCm39) E382G possibly damaging Het
Rpl22l1 T A 3: 28,860,969 (GRCm39) N61K probably benign Het
Rpp14 A G 14: 8,090,558 (GRCm38) probably null Het
Rusc2 C T 4: 43,415,932 (GRCm39) Q413* probably null Het
Slco3a1 A G 7: 73,968,247 (GRCm39) I491T possibly damaging Het
Smtnl1 C T 2: 84,648,739 (GRCm39) V172I probably benign Het
Spats2l T A 1: 57,939,780 (GRCm39) probably null Het
Spire1 T A 18: 67,639,716 (GRCm39) N266Y probably damaging Het
Stox2 T C 8: 47,646,041 (GRCm39) H473R probably damaging Het
Syne2 C T 12: 76,141,232 (GRCm39) R121* probably null Het
Synrg G A 11: 83,893,066 (GRCm39) probably null Het
Tm9sf1 C T 14: 55,875,554 (GRCm39) V397M probably damaging Het
Trabd T C 15: 88,966,187 (GRCm39) M48T probably benign Het
Ttn T A 2: 76,537,577 (GRCm39) I26457F possibly damaging Het
Uggt2 C T 14: 119,278,939 (GRCm39) R856Q probably benign Het
Ugt1a5 T A 1: 88,094,039 (GRCm39) M89K probably benign Het
Vmn2r53 A T 7: 12,335,347 (GRCm39) S104R probably damaging Het
Zdhhc12 A T 2: 29,982,496 (GRCm39) L53Q 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
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'- TCTCTGCACTCTGGATGAAATC -3'
(R):5'- GCAAGCAATCACCTATGCTG -3'

Sequencing Primer
(F):5'- GGATGAAATCCTCCGTCTTCAGG -3'
(R):5'- ACCTATGCTGGTGGTCTGCC -3'
Posted On 2016-10-24