Incidental Mutation 'R5293:Atxn1'
ID 405263
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
MMRRC Submission 042876-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5293 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 45721844 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 17 (R17H)
Ref Sequence ENSEMBL: ENSMUSP00000137439 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000091628] [ENSMUST00000167708] [ENSMUST00000180110]
AlphaFold P54254
Predicted Effect probably damaging
Transcript: ENSMUST00000091628
AA Change: R17H

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: R17H

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 damaging
Transcript: ENSMUST00000167708
AA Change: R17H

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: R17H

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 damaging
Transcript: ENSMUST00000180110
AA Change: R17H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: R17H

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: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.6%
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam5 A G 8: 25,300,722 (GRCm39) V269A possibly damaging Het
Akap9 C T 5: 3,998,687 (GRCm39) R19W probably damaging Het
Akr7a5 G T 4: 139,041,517 (GRCm39) R142L probably benign Het
Atp6v0a2 A T 5: 124,784,649 (GRCm39) M311L probably benign Het
Ccdc116 A T 16: 16,959,651 (GRCm39) L346Q possibly damaging Het
Copg2 T A 6: 30,803,162 (GRCm39) N261I probably damaging Het
Crtc2 A G 3: 90,170,871 (GRCm39) E648G probably benign Het
Dnah10 A C 5: 124,868,851 (GRCm39) K2334Q probably benign Het
Foxa2 T C 2: 147,885,922 (GRCm39) T123A probably benign Het
Galnt6 A G 15: 100,601,382 (GRCm39) V299A probably benign Het
Grip1 T C 10: 119,733,640 (GRCm39) S26P probably damaging Het
Jkamp A G 12: 72,136,883 (GRCm39) S84G probably benign Het
Kcnc1 A G 7: 46,047,235 (GRCm39) H45R probably benign Het
Knl1 T C 2: 118,900,176 (GRCm39) Y626H probably damaging Het
Mmp19 T A 10: 128,626,970 (GRCm39) V16D probably damaging Het
Mrpl38 T C 11: 116,023,599 (GRCm39) N280S probably benign Het
Myl7 T A 11: 5,848,521 (GRCm39) probably benign Het
Ngef CCCTCCTCCTCCTCCTCCTCCTCCTC CCCTCCTCCTCCTCCTCCTCCTC 1: 87,431,151 (GRCm39) probably benign Het
Nlrp2 A C 7: 5,330,614 (GRCm39) L594R probably damaging Het
Or2y3 T A 17: 38,393,131 (GRCm39) H246L probably damaging Het
Or4f15 T G 2: 111,813,611 (GRCm39) K269N probably damaging Het
Or52n2c T C 7: 104,574,486 (GRCm39) T162A probably benign Het
Pkhd1 T C 1: 20,579,300 (GRCm39) E1802G possibly damaging Het
Pkhd1l1 T C 15: 44,399,146 (GRCm39) V2070A probably benign Het
Plcxd2 G T 16: 45,800,706 (GRCm39) H173N probably damaging Het
Plec C G 15: 76,083,783 (GRCm39) W26C probably benign Het
Psmc1 C T 12: 100,081,731 (GRCm39) T111I probably benign Het
Rbfa T C 18: 80,235,981 (GRCm39) E256G probably benign Het
Sh3d21 T A 4: 126,046,050 (GRCm39) T173S probably benign Het
Slc41a3 T A 6: 90,603,426 (GRCm39) V149E probably damaging Het
Sntg1 A G 1: 8,665,757 (GRCm39) S186P probably damaging Het
Spag4 A G 2: 155,908,111 (GRCm39) D29G probably benign Het
Spc25 A G 2: 69,032,996 (GRCm39) V43A possibly damaging Het
Spen G A 4: 141,199,717 (GRCm39) A2947V possibly damaging Het
Spta1 T C 1: 174,023,551 (GRCm39) S653P probably damaging Het
Ssrp1 T A 2: 84,872,596 (GRCm39) Y411* probably null Het
Synrg C T 11: 83,872,325 (GRCm39) L149F probably damaging Het
Trappc11 G A 8: 47,946,377 (GRCm39) A1085V possibly damaging Het
Ttn T C 2: 76,571,276 (GRCm39) E18212G probably damaging Het
Wnk4 T G 11: 101,166,023 (GRCm39) 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
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
R9744:Atxn1 UTSW 13 45,721,299 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TTGTAAACCATGCTCCCCG -3'
(R):5'- CTCCCTAGAGCTGACGTTTTG -3'

Sequencing Primer
(F):5'- ACCATGCTCCCCGGAAGTC -3'
(R):5'- TCCTCAGAATCCGGAGCTG -3'
Posted On 2016-07-22