Incidental Mutation 'R7600:Atxn1'
ID 587980
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 045642-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7600 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 45710536 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamine at position 799 (K799Q)
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: K791Q

PolyPhen 2 Score 0.862 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: K791Q

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: K791Q

PolyPhen 2 Score 0.862 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: K791Q

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: K799Q

PolyPhen 2 Score 0.903 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: K799Q

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: 99.0%
Validation Efficiency 100% (45/45)
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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam25 G A 8: 41,208,854 (GRCm39) V707I probably benign Het
Ahnak A T 19: 8,981,938 (GRCm39) D1074V possibly damaging Het
Aldh4a1 A G 4: 139,372,315 (GRCm39) M495V probably benign Het
Catsperg2 A T 7: 29,404,283 (GRCm39) S831T probably benign Het
Cldn1 T C 16: 26,179,669 (GRCm39) T133A probably benign Het
Clec12b A G 6: 129,353,226 (GRCm39) C254R probably damaging Het
Cnnm2 A T 19: 46,750,506 (GRCm39) T99S probably benign Het
Col6a4 T G 9: 105,944,198 (GRCm39) D1092A possibly damaging Het
Dnajc9 A G 14: 20,438,793 (GRCm39) L20P probably damaging Het
Dsp C A 13: 38,375,691 (GRCm39) Q1159K probably damaging Het
Dst C T 1: 34,306,011 (GRCm39) T4110I probably damaging Het
Epb42 A G 2: 120,852,307 (GRCm39) L562P probably damaging Het
Fras1 T C 5: 96,832,295 (GRCm39) Y1543H probably damaging Het
Igkv1-117 T A 6: 68,098,100 (GRCm39) V9E possibly damaging Het
Kbtbd8 T A 6: 95,099,573 (GRCm39) Y361N probably damaging Het
Lrp1 C T 10: 127,391,575 (GRCm39) R2948H probably benign Het
Lrp10 G T 14: 54,706,852 (GRCm39) R563L possibly damaging Het
Mllt3 G T 4: 87,759,456 (GRCm39) H197Q probably benign Het
Myo18b G A 5: 113,025,969 (GRCm39) P27L unknown Het
Nlrp1a C A 11: 70,989,740 (GRCm39) R1110L probably damaging Het
Nol10 T G 12: 17,419,481 (GRCm39) D257E probably damaging Het
Olfm3 T C 3: 114,890,589 (GRCm39) V114A possibly damaging Het
Or2a57 C A 6: 43,212,770 (GRCm39) T76K probably damaging Het
Or2t43 T C 11: 58,458,162 (GRCm39) N3S probably benign Het
Pdzd2 G T 15: 12,372,820 (GRCm39) D2438E probably damaging Het
Prl7a2 T G 13: 27,843,264 (GRCm39) I180L possibly damaging Het
Ptch2 A T 4: 116,953,422 (GRCm39) probably benign Het
Snrpn A G 7: 59,638,351 (GRCm39) M1T probably null Het
Sntb1 A T 15: 55,655,584 (GRCm39) W211R possibly damaging Het
Sp110 G A 1: 85,506,813 (GRCm39) R417C probably benign Het
Sytl2 T C 7: 90,025,352 (GRCm39) S447P probably benign Het
Tas2r129 G T 6: 132,928,137 (GRCm39) G25* probably null Het
Tcstv7a A T 13: 120,290,232 (GRCm39) probably null Het
Tle2 T G 10: 81,422,147 (GRCm39) Y396* probably null Het
Trpm2 T C 10: 77,773,885 (GRCm39) K510R probably benign Het
Trpm3 A G 19: 22,903,458 (GRCm39) T1073A possibly damaging Het
Ttc24 A T 3: 87,979,320 (GRCm39) M1K probably null Het
Tubgcp5 A G 7: 55,458,261 (GRCm39) T391A probably benign Het
Vmn1r17 T C 6: 57,337,906 (GRCm39) E153G probably benign Het
Vmn1r232 A T 17: 21,133,999 (GRCm39) N200K possibly damaging Het
Zcwpw1 A T 5: 137,798,396 (GRCm39) K198* probably null Het
Zfp142 A G 1: 74,612,827 (GRCm39) V641A probably damaging Het
Zfp318 C T 17: 46,695,210 (GRCm39) A149V possibly damaging Het
Zfp608 T C 18: 55,121,092 (GRCm39) N165S probably 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
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'- ACAGACCCTTGCAGACAATG -3'
(R):5'- AATGGCGAACTGAAGTTTCCAG -3'

Sequencing Primer
(F):5'- GCAAACGCACCAGTCTCCTG -3'
(R):5'- AAAAATAGGATTGCCTGCAGC -3'
Posted On 2019-10-24