Incidental Mutation 'R0180:Atxn1'
ID 23849
Institutional Source Beutler Lab
Gene Symbol Atxn1
Ensembl Gene ENSMUSG00000046876
Gene Name ataxin 1
Synonyms Atx1, Sca1, 2900016G23Rik
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0180 (G1)
Quality Score 225
Status Validated (trace)
Chromosome 13
Chromosomal Location 45703231-46118467 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 45711024 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 636 (V636A)
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: V628A

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000089217
Gene: ENSMUSG00000046876
AA Change: V628A

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: V628A

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000129890
Gene: ENSMUSG00000046876
AA Change: V628A

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: V636A

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000137439
Gene: ENSMUSG00000046876
AA Change: V636A

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222227
Meta Mutation Damage Score 0.8449 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.8%
  • 20x: 89.5%
Validation Efficiency 77% (53/69)
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110059E24Rik T A 19: 21,630,003 (GRCm39) N24Y probably damaging Het
2810408A11Rik A T 11: 69,789,702 (GRCm39) M311K probably benign Het
Ackr2 T C 9: 121,737,982 (GRCm39) I119T probably benign Het
Adamtsl3 A G 7: 82,225,198 (GRCm39) M336V probably benign Het
Adhfe1 T A 1: 9,634,082 (GRCm39) F374I probably benign Het
Apob C T 12: 8,058,285 (GRCm39) Q2256* probably null Het
Arg1 T C 10: 24,792,728 (GRCm39) I169V probably benign Het
B3gnt5 T A 16: 19,587,850 (GRCm39) I23K possibly damaging Het
Catsperg1 A T 7: 28,889,856 (GRCm39) probably null Het
Celf3 T A 3: 94,392,647 (GRCm39) F115L probably damaging Het
Cep192 T A 18: 67,968,559 (GRCm39) H984Q probably damaging Het
Col18a1 A G 10: 76,932,351 (GRCm39) V493A probably benign Het
Col5a2 C T 1: 45,450,620 (GRCm39) G376S probably damaging Het
Colec12 A G 18: 9,848,890 (GRCm39) H356R probably damaging Het
Colec12 C T 18: 9,858,921 (GRCm39) P568L unknown Het
Cracr2a T C 6: 127,581,037 (GRCm39) probably null Het
Ctsr T C 13: 61,310,559 (GRCm39) H62R probably damaging Het
Cyp4f40 G T 17: 32,878,641 (GRCm39) W61L probably benign Het
Dnah9 T G 11: 66,038,116 (GRCm39) H140P probably damaging Het
Dnai7 A G 6: 145,128,944 (GRCm39) probably benign Het
Dnm1 T G 2: 32,218,005 (GRCm39) I464L probably damaging Het
Dnmt1 G A 9: 20,819,916 (GRCm39) T1409I probably damaging Het
Dock1 G A 7: 134,700,566 (GRCm39) D1109N probably damaging Het
Efhc1 A G 1: 21,037,713 (GRCm39) M297V probably benign Het
Emcn A T 3: 137,124,755 (GRCm39) probably null Het
Ephb1 A T 9: 101,804,703 (GRCm39) M905K probably damaging Het
Fbxw10 A G 11: 62,743,922 (GRCm39) Y276C probably benign Het
Fermt3 C A 19: 6,979,711 (GRCm39) S474I possibly damaging Het
Frg1 T A 8: 41,852,105 (GRCm39) probably null Het
Gbf1 T C 19: 46,274,161 (GRCm39) S1732P probably benign Het
Gbp8 A C 5: 105,179,142 (GRCm39) L119R probably damaging Het
Gldc C T 19: 30,078,217 (GRCm39) A927T possibly damaging Het
Gm8836 T A 6: 70,237,389 (GRCm39) probably benign Het
Grhl3 C T 4: 135,281,841 (GRCm39) V344I probably benign Het
Hhipl1 T A 12: 108,294,329 (GRCm39) L745H probably damaging Het
Ido1 T C 8: 25,083,156 (GRCm39) I90V possibly damaging Het
Itpr2 T A 6: 146,403,407 (GRCm39) probably benign Het
Kif1b T G 4: 149,298,116 (GRCm39) S1029R probably damaging Het
Kmt2a G A 9: 44,738,148 (GRCm39) probably benign Het
Limk1 T C 5: 134,698,115 (GRCm39) N215D probably damaging Het
Lims2 A G 18: 32,089,368 (GRCm39) K144E probably benign Het
Mfsd6l A T 11: 68,447,371 (GRCm39) Q74L possibly damaging Het
Mroh1 T A 15: 76,312,450 (GRCm39) S546T probably damaging Het
Ncbp3 T A 11: 72,955,804 (GRCm39) probably null Het
Nlrx1 G A 9: 44,166,756 (GRCm39) H776Y possibly damaging Het
Nptxr T C 15: 79,678,604 (GRCm39) M228V probably benign Het
Nsf T A 11: 103,821,606 (GRCm39) L13F probably damaging Het
Nyap1 T C 5: 137,736,283 (GRCm39) E68G probably damaging Het
Or10p22 A T 10: 128,826,703 (GRCm39) R307S possibly damaging Het
Or51r1 A G 7: 102,228,239 (GRCm39) Y179C probably damaging Het
Pcdhb9 A G 18: 37,535,307 (GRCm39) N434D probably damaging Het
Pgm5 T C 19: 24,793,127 (GRCm39) D313G probably damaging Het
Pkdcc G A 17: 83,529,299 (GRCm39) probably null Het
Pkp1 T C 1: 135,814,538 (GRCm39) K261R probably benign Het
Pnpla6 A G 8: 3,574,250 (GRCm39) probably null Het
Polr3b A G 10: 84,458,379 (GRCm39) T17A probably benign Het
Ppt2 A T 17: 34,845,477 (GRCm39) M98K probably damaging Het
Rasal3 T C 17: 32,618,379 (GRCm39) D142G probably benign Het
Rbm17 G A 2: 11,592,590 (GRCm39) S295L probably benign Het
Rhbdf1 A T 11: 32,160,042 (GRCm39) V153D possibly damaging Het
Slc6a3 C T 13: 73,710,455 (GRCm39) T355M probably damaging Het
Snrnp35 A T 5: 124,628,883 (GRCm39) probably benign Het
Sorcs2 A T 5: 36,311,189 (GRCm39) I37N probably damaging Het
Tecta G T 9: 42,278,109 (GRCm39) P1133Q probably benign Het
Tmem145 A G 7: 25,014,124 (GRCm39) I413V probably benign Het
Trappc11 G T 8: 47,981,009 (GRCm39) T144K possibly damaging Het
Triml2 A T 8: 43,643,346 (GRCm39) I223L probably benign Het
Ube2g2 T A 10: 77,466,573 (GRCm39) N19K possibly damaging Het
Ubqln3 A G 7: 103,791,047 (GRCm39) Y348H probably damaging Het
Wfs1 A G 5: 37,124,372 (GRCm39) F840L probably damaging Het
Zc3h11a T C 1: 133,549,349 (GRCm39) I771V probably benign Het
Zdhhc23 G A 16: 43,794,066 (GRCm39) P203S probably benign Het
Zfp106 T G 2: 120,364,356 (GRCm39) T684P probably damaging Het
Zfp217 A T 2: 169,962,057 (GRCm39) L90Q 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
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
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'- AGTTCGCCATTCTCAGAGAGCACC -3'
(R):5'- AGCTCCAGCCTCTGTACATACACG -3'

Sequencing Primer
(F):5'- ATCTGTGTCTGCTGCCAG -3'
(R):5'- AGCCTCTGTACATACACGGTTTTC -3'
Posted On 2013-04-16