Incidental Mutation 'R4593:Atxn3'
ID 344228
Institutional Source Beutler Lab
Gene Symbol Atxn3
Ensembl Gene ENSMUSG00000021189
Gene Name ataxin 3
Synonyms ataxin-3, Sca3, Mjd, MJD1, 2210008M02Rik, Atx3
MMRRC Submission 041809-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4593 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 101885160-101924505 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 101889436 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 333 (M333K)
Ref Sequence ENSEMBL: ENSMUSP00000021606 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021606]
AlphaFold Q9CVD2
Predicted Effect probably benign
Transcript: ENSMUST00000021606
AA Change: M333K

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000021606
Gene: ENSMUSG00000021189
AA Change: M333K

DomainStartEndE-ValueType
Josephin 8 168 1.6e-91 SMART
UIM 224 243 2.23e-1 SMART
UIM 244 263 1.51e-3 SMART
low complexity region 276 286 N/A INTRINSIC
low complexity region 315 326 N/A INTRINSIC
UIM 329 348 7.34e-2 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000160186
SMART Domains Protein: ENSMUSP00000124178
Gene: ENSMUSG00000021189

DomainStartEndE-ValueType
UIM 2 21 2.23e-1 SMART
UIM 22 41 1.51e-3 SMART
low complexity region 54 64 N/A INTRINSIC
Meta Mutation Damage Score 0.1944 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 96% (45/47)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Machado-Joseph disease, also known as spinocerebellar ataxia-3, is an autosomal dominant neurologic disorder. The protein encoded by this gene contains (CAG)n repeats in the coding region, and the expansion of these repeats from the normal 12-44 to 52-86 is one cause of Machado-Joseph disease. There is a negative correlation between the age of onset and CAG repeat numbers. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2016]
PHENOTYPE: Decreased exploratory behavior is reported for mice homozygous for a disruption of this marker. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik G T 12: 71,211,320 (GRCm39) E685* probably null Het
2700049A03Rik A T 12: 71,211,321 (GRCm39) E685V possibly damaging Het
Aopep T C 13: 63,215,906 (GRCm39) S393P probably benign Het
Atm G T 9: 53,364,894 (GRCm39) A8E possibly damaging Het
Cd86 A G 16: 36,426,918 (GRCm39) *310R probably null Het
Cyp2s1 ACAGCAGCAGCAGCAGCAGCAGCAG ACAGCAGCAGCAGCAGCAGCAG 7: 25,515,867 (GRCm39) probably benign Het
Dgat1 C A 15: 76,388,889 (GRCm39) R111S probably damaging Het
Dner T C 1: 84,673,449 (GRCm39) M1V probably null Het
Dnhd1 G A 7: 105,364,653 (GRCm39) D4240N probably benign Het
Emp3 A G 7: 45,568,777 (GRCm39) L27P probably damaging Het
Glra3 G T 8: 56,393,916 (GRCm39) G9V probably damaging Het
Gpr149 A T 3: 62,510,151 (GRCm39) probably benign Het
Ighv1-9 T C 12: 114,547,224 (GRCm39) T105A probably benign Het
Kcnd3 C T 3: 105,566,082 (GRCm39) A421V probably damaging Het
Ldhd T C 8: 112,355,996 (GRCm39) D129G probably damaging Het
Lnpep A G 17: 17,799,289 (GRCm39) V122A probably benign Het
Lrrc37a A G 11: 103,389,795 (GRCm39) Y1877H possibly damaging Het
Med13l T C 5: 118,880,625 (GRCm39) L1239P probably damaging Het
Mib1 T C 18: 10,768,191 (GRCm39) L480S possibly damaging Het
Mkrn3 C T 7: 62,068,552 (GRCm39) W413* probably null Het
Myo7b A G 18: 32,146,428 (GRCm39) V119A possibly damaging Het
Nexn T A 3: 151,958,553 (GRCm39) R113S probably damaging Het
Npas3 A T 12: 54,115,280 (GRCm39) Q703L probably benign Het
Npr2 A G 4: 43,647,323 (GRCm39) probably benign Het
Nub1 A G 5: 24,914,119 (GRCm39) Y624C probably damaging Het
Obscn A C 11: 59,024,075 (GRCm39) S532A probably damaging Het
Or1e33 T A 11: 73,738,140 (GRCm39) K270N probably benign Het
Or9g20 A G 2: 85,630,008 (GRCm39) L202P probably damaging Het
Panx2 T C 15: 88,952,118 (GRCm39) I195T probably damaging Het
Parp11 T C 6: 127,451,262 (GRCm39) I104T probably benign Het
Pkd1l1 G T 11: 8,851,253 (GRCm39) D726E probably damaging Het
Pom121l2 C T 13: 22,168,623 (GRCm39) R965W probably damaging Het
Prrc2c T C 1: 162,525,101 (GRCm39) K502E probably damaging Het
Rasa1 T C 13: 85,386,340 (GRCm39) probably null Het
Sva T C 6: 42,019,592 (GRCm39) S151P possibly damaging Het
Svep1 T C 4: 58,091,944 (GRCm39) N1564D possibly damaging Het
Unk T C 11: 115,939,882 (GRCm39) I129T probably benign Het
Urb1 T C 16: 90,584,332 (GRCm39) D550G probably damaging Het
Vmn1r194 T A 13: 22,428,461 (GRCm39) M26K possibly damaging Het
Vmn1r59 A T 7: 5,457,686 (GRCm39) F25I possibly damaging Het
Vmn1r88 A G 7: 12,911,769 (GRCm39) K42E probably damaging Het
Zbtb24 A G 10: 41,327,953 (GRCm39) R280G possibly damaging Het
Other mutations in Atxn3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00801:Atxn3 APN 12 101,892,767 (GRCm39) missense possibly damaging 0.94
IGL01364:Atxn3 APN 12 101,900,682 (GRCm39) splice site probably benign
IGL01393:Atxn3 APN 12 101,899,306 (GRCm39) nonsense probably null
IGL01994:Atxn3 APN 12 101,908,439 (GRCm39) missense probably benign
IGL03214:Atxn3 APN 12 101,912,181 (GRCm39) splice site probably benign
R1081:Atxn3 UTSW 12 101,900,608 (GRCm39) missense probably damaging 0.98
R1255:Atxn3 UTSW 12 101,900,593 (GRCm39) missense probably damaging 1.00
R1288:Atxn3 UTSW 12 101,908,437 (GRCm39) splice site probably null
R1435:Atxn3 UTSW 12 101,908,460 (GRCm39) missense probably benign 0.18
R1466:Atxn3 UTSW 12 101,892,758 (GRCm39) missense possibly damaging 0.73
R1466:Atxn3 UTSW 12 101,892,758 (GRCm39) missense possibly damaging 0.73
R2032:Atxn3 UTSW 12 101,908,453 (GRCm39) nonsense probably null
R2345:Atxn3 UTSW 12 101,914,580 (GRCm39) missense probably damaging 1.00
R2882:Atxn3 UTSW 12 101,903,670 (GRCm39) missense probably damaging 1.00
R4628:Atxn3 UTSW 12 101,889,337 (GRCm39) unclassified probably benign
R4849:Atxn3 UTSW 12 101,900,627 (GRCm39) missense probably benign 0.02
R4876:Atxn3 UTSW 12 101,914,638 (GRCm39) missense probably damaging 1.00
R4960:Atxn3 UTSW 12 101,914,638 (GRCm39) missense possibly damaging 0.92
R5682:Atxn3 UTSW 12 101,924,406 (GRCm39) missense probably damaging 1.00
R6010:Atxn3 UTSW 12 101,914,285 (GRCm39) missense probably damaging 1.00
R6520:Atxn3 UTSW 12 101,900,660 (GRCm39) missense probably damaging 1.00
R6629:Atxn3 UTSW 12 101,903,665 (GRCm39) missense probably benign 0.11
R7460:Atxn3 UTSW 12 101,892,776 (GRCm39) missense probably benign 0.15
R7546:Atxn3 UTSW 12 101,914,261 (GRCm39) critical splice donor site probably null
R8353:Atxn3 UTSW 12 101,912,159 (GRCm39) missense probably benign 0.36
R9050:Atxn3 UTSW 12 101,924,387 (GRCm39) splice site probably benign
R9072:Atxn3 UTSW 12 101,903,730 (GRCm39) critical splice acceptor site probably null
R9073:Atxn3 UTSW 12 101,903,730 (GRCm39) critical splice acceptor site probably null
X0061:Atxn3 UTSW 12 101,924,398 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TGCTTACAAACCACTACAGTGTC -3'
(R):5'- AAGCGGGCACTAACTCTGTC -3'

Sequencing Primer
(F):5'- ACAAACCACTACAGTGTCTTTATCTC -3'
(R):5'- TGGGGATCTTGCAGAAGT -3'
Posted On 2015-09-25