Incidental Mutation 'R7578:Atxn1'
ID 586601
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 045663-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7578 (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 45720834 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 354 (V354I)
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: V354I

PolyPhen 2 Score 0.013 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: V354I

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: V354I

PolyPhen 2 Score 0.013 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: V354I

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: V354I

PolyPhen 2 Score 0.022 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: V354I

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
Meta Mutation Damage Score 0.0799 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 97% (66/68)
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700001J03Rik A T 5: 146,120,343 (GRCm39) V165E probably damaging Het
1700025G04Rik T G 1: 151,796,841 (GRCm39) T75P probably benign Het
4930516K23Rik T C 7: 103,708,104 (GRCm39) E235G probably benign Het
Adam15 A G 3: 89,251,499 (GRCm39) C449R probably damaging Het
Adam24 T C 8: 41,133,294 (GRCm39) V254A probably benign Het
Akap9 C G 5: 4,018,745 (GRCm39) H1109D probably benign Het
Aldh1a1 A C 19: 20,595,366 (GRCm39) R98S probably damaging Het
Alg9 A G 9: 50,700,835 (GRCm39) I202V probably benign Het
Anks1b G A 10: 89,885,789 (GRCm39) E162K probably damaging Het
Atp6v1b2 A G 8: 69,556,128 (GRCm39) T268A probably benign Het
B3galt1 A G 2: 67,948,896 (GRCm39) T204A probably damaging Het
Catsperb T A 12: 101,554,544 (GRCm39) I746K probably benign Het
Cdh23 G A 10: 60,243,186 (GRCm39) T1063M probably benign Het
Cherp G A 8: 73,218,102 (GRCm39) R543C Het
Cldn20 A G 17: 3,583,274 (GRCm39) D149G probably damaging Het
Clk2 A G 3: 89,083,807 (GRCm39) Q474R probably benign Het
Cp A G 3: 20,043,262 (GRCm39) T1017A possibly damaging Het
Cyp2c39 T C 19: 39,499,400 (GRCm39) L29P probably damaging Het
Ebf3 C T 7: 136,915,261 (GRCm39) V93M probably damaging Het
Eef1akmt1 T A 14: 57,787,328 (GRCm39) M183L probably damaging Het
Fhip1a G T 3: 85,573,205 (GRCm39) L915I probably damaging Het
Filip1l A G 16: 57,333,645 (GRCm39) E146G probably damaging Het
Fpr-rs3 T C 17: 20,844,293 (GRCm39) S283G possibly damaging Het
Fras1 A T 5: 96,832,296 (GRCm39) Y1543F probably damaging Het
Garin2 T C 12: 78,762,275 (GRCm39) probably null Het
Gbp10 G A 5: 105,384,015 (GRCm39) probably benign Het
Gjd3 A G 11: 98,873,301 (GRCm39) V181A probably damaging Het
Gm49368 T A 7: 127,711,430 (GRCm39) C711* probably null Het
Gtf3c2 A G 5: 31,330,341 (GRCm39) S210P probably benign Het
Herc2 A G 7: 55,784,548 (GRCm39) Y1404C probably benign Het
Il22ra2 T A 10: 19,507,372 (GRCm39) D128E probably benign Het
Itgav T A 2: 83,578,219 (GRCm39) D113E probably benign Het
Kcnd3 A G 3: 105,366,933 (GRCm39) M268V probably benign Het
Kirrel3 G T 9: 34,850,408 (GRCm39) G19V probably damaging Het
Klf17 T G 4: 117,617,916 (GRCm39) Y147S possibly damaging Het
Leng1 C T 7: 3,668,382 (GRCm39) R22H probably damaging Het
Lysmd4 T A 7: 66,876,037 (GRCm39) Y233* probably null Het
Lyzl6 A G 11: 103,525,832 (GRCm39) V96A probably benign Het
Mki67 T C 7: 135,302,644 (GRCm39) T797A possibly damaging Het
Nuf2 G T 1: 169,332,097 (GRCm39) H399Q probably benign Het
Nuggc T C 14: 65,885,623 (GRCm39) V766A probably damaging Het
Oas1c A T 5: 120,940,244 (GRCm39) D307E probably damaging Het
Odad2 A T 18: 7,211,593 (GRCm39) D760E probably benign Het
Or10aa3 T A 1: 173,878,266 (GRCm39) M109K possibly damaging Het
Or6c5b T C 10: 129,245,544 (GRCm39) I103T probably damaging Het
P4ha3 T C 7: 99,943,121 (GRCm39) Y169H probably benign Het
Perm1 TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT TGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCTGAGCCTGACACGGCTTTGTCTACACCCGCCTCT 4: 156,302,525 (GRCm39) probably benign Het
Pkhd1 T C 1: 20,417,585 (GRCm39) D2522G probably damaging Het
Prickle2 T C 6: 92,388,271 (GRCm39) D433G probably benign Het
Ptcd3 A G 6: 71,885,691 (GRCm39) S12P probably benign Het
Ptpn23 T A 9: 110,216,676 (GRCm39) Q1060L probably benign Het
Rai14 G T 15: 10,574,914 (GRCm39) N710K probably benign Het
Rai14 C T 15: 10,593,189 (GRCm39) G152R probably damaging Het
Rsf1 CGGC CGGCGGCGGGGGC 7: 97,229,139 (GRCm39) probably benign Het
Satb2 A G 1: 56,910,943 (GRCm39) V234A probably benign Het
Scg2 T C 1: 79,414,612 (GRCm39) Q37R probably damaging Het
Slc35e3 A T 10: 117,576,484 (GRCm39) S230T probably damaging Het
Slc39a2 T C 14: 52,132,873 (GRCm39) V272A probably damaging Het
Smg7 T A 1: 152,721,181 (GRCm39) Y677F probably damaging Het
Spinkl A G 18: 44,301,213 (GRCm39) Y42H probably damaging Het
Srsf6 T C 2: 162,774,782 (GRCm39) F102L probably benign Het
Sstr3 T C 15: 78,424,717 (GRCm39) E10G probably benign Het
Tekt3 A T 11: 62,985,486 (GRCm39) I431F probably damaging Het
Trio C T 15: 27,855,025 (GRCm39) R778H possibly damaging Het
Ush2a T A 1: 188,282,110 (GRCm39) V1875D probably damaging Het
Vmn2r29 A C 7: 7,234,441 (GRCm39) I815S probably damaging Het
Vmn2r78 A T 7: 86,603,552 (GRCm39) K577* probably null Het
Vps26c A C 16: 94,299,928 (GRCm39) N275K probably damaging Het
Yes1 G A 5: 32,802,430 (GRCm39) R115Q 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
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
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'- TTGAGTGCCAGCGTAGAAG -3'
(R):5'- GCTATGCAAGCCAAGGAAGTC -3'

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