Incidental Mutation 'R7253:Atxn2'
ID 564065
Institutional Source Beutler Lab
Gene Symbol Atxn2
Ensembl Gene ENSMUSG00000042605
Gene Name ataxin 2
Synonyms 9630045M23Rik, ATX2, Sca2
MMRRC Submission 045314-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.820) question?
Stock # R7253 (G1)
Quality Score 225.009
Status Validated
Chromosome 5
Chromosomal Location 121849672-121954372 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 121916084 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 430 (E430G)
Ref Sequence ENSEMBL: ENSMUSP00000056715 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000051950] [ENSMUST00000161064] [ENSMUST00000225761]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000051950
AA Change: E430G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000056715
Gene: ENSMUSG00000042605
AA Change: E430G

DomainStartEndE-ValueType
low complexity region 32 42 N/A INTRINSIC
low complexity region 46 69 N/A INTRINSIC
low complexity region 93 116 N/A INTRINSIC
low complexity region 128 144 N/A INTRINSIC
low complexity region 168 219 N/A INTRINSIC
Pfam:SM-ATX 236 307 6.4e-23 PFAM
LsmAD 378 446 8.57e-25 SMART
low complexity region 520 540 N/A INTRINSIC
low complexity region 544 576 N/A INTRINSIC
low complexity region 685 705 N/A INTRINSIC
low complexity region 807 838 N/A INTRINSIC
low complexity region 864 879 N/A INTRINSIC
Pfam:PAM2 880 897 5.7e-9 PFAM
low complexity region 1128 1165 N/A INTRINSIC
low complexity region 1185 1196 N/A INTRINSIC
low complexity region 1245 1261 N/A INTRINSIC
Predicted Effect
SMART Domains Protein: ENSMUSP00000125647
Gene: ENSMUSG00000042605
AA Change: E31G

DomainStartEndE-ValueType
Pfam:LsmAD 1 47 3.6e-11 PFAM
low complexity region 217 237 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000161064
AA Change: E121G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000124070
Gene: ENSMUSG00000042605
AA Change: E121G

DomainStartEndE-ValueType
LsmAD 69 137 8.57e-25 SMART
low complexity region 211 231 N/A INTRINSIC
low complexity region 235 267 N/A INTRINSIC
low complexity region 376 396 N/A INTRINSIC
low complexity region 498 529 N/A INTRINSIC
low complexity region 555 570 N/A INTRINSIC
Pfam:PAM2 571 588 3.5e-9 PFAM
low complexity region 801 838 N/A INTRINSIC
low complexity region 858 869 N/A INTRINSIC
low complexity region 915 923 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000225761
AA Change: E280G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.4%
Validation Efficiency 99% (74/75)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene belongs to a group of genes that is associated with microsatellite-expansion diseases, a class of neurological and neuromuscular disorders caused by expansion of short stretches of repetitive DNA. The protein encoded by this gene has two globular domains near the N-terminus, one of which contains a clathrin-mediated trans-Golgi signal and an endoplasmic reticulum exit signal. The encoded cytoplasmic protein localizes to the endoplasmic reticulum and plasma membrane, is involved in endocytosis, and modulates mTOR signals, modifying ribosomal translation and mitochondrial function. The N-terminal region of the protein contains a polyglutamine tract of 14-31 residues that can be expanded in the pathogenic state to 32-200 residues. Intermediate length expansions of this tract increase susceptibility to amyotrophic lateral sclerosis, while long expansions of this tract result in spinocerebellar ataxia-2, an autosomal-dominantly inherited, neurodegenerative disorder. Genome-wide association studies indicate that loss-of-function mutations in this gene may be associated with susceptibility to type I diabetes, obesity and hypertension. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2016]
PHENOTYPE: Homozygous mice exhibit an enlarged fat pad, hepatic steatosis and enlarged seminal vesicles. A mild defect in motor learning is seen, but no other notable behavioral or neurological defects are detectable. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700009N14Rik A G 4: 39,451,391 (GRCm39) H199R not run Het
Ak9 A G 10: 41,308,480 (GRCm39) N1804S unknown Het
Akr1c21 C A 13: 4,627,139 (GRCm39) T147N probably damaging Het
Aldh1a2 A G 9: 71,123,216 (GRCm39) T30A probably benign Het
Alox15 T C 11: 70,236,724 (GRCm39) D447G probably damaging Het
Amigo2 T C 15: 97,142,956 (GRCm39) I489V probably benign Het
Ano9 A T 7: 140,687,350 (GRCm39) Y322N probably damaging Het
Arhgap40 G T 2: 158,389,576 (GRCm39) W583L probably benign Het
Brip1 T C 11: 86,034,104 (GRCm39) Y539C possibly damaging Het
C87436 T A 6: 86,442,790 (GRCm39) L454Q probably damaging Het
Casp4 T G 9: 5,324,868 (GRCm39) Y227D probably benign Het
Ccn6 T G 10: 39,031,031 (GRCm39) N164T probably benign Het
Chd4 T A 6: 125,083,555 (GRCm39) probably null Het
Chrna10 A G 7: 101,761,293 (GRCm39) C433R probably benign Het
Cntln A T 4: 85,036,710 (GRCm39) N214I probably damaging Het
Colec12 G A 18: 9,848,922 (GRCm39) V367I probably damaging Het
Cyp46a1 T C 12: 108,318,255 (GRCm39) I222T probably benign Het
Dagla A T 19: 10,239,945 (GRCm39) probably null Het
Dcaf7 C A 11: 105,938,669 (GRCm39) probably null Het
Dclk2 C T 3: 86,700,566 (GRCm39) R638H probably damaging Het
E2f7 A G 10: 110,602,164 (GRCm39) probably null Het
Fam184a G T 10: 53,574,901 (GRCm39) T236K probably benign Het
Glyctk T C 9: 106,032,661 (GRCm39) T451A probably damaging Het
Hectd4 A G 5: 121,452,944 (GRCm39) K484E possibly damaging Het
Hspbap1 G T 16: 35,637,600 (GRCm39) C243F unknown Het
Hspg2 A C 4: 137,247,257 (GRCm39) N1160T probably benign Het
Ighv5-8 C T 12: 113,618,728 (GRCm39) L48F probably benign Het
Jazf1 C A 6: 52,754,637 (GRCm39) E146D probably benign Het
Katnb1 C T 8: 95,822,125 (GRCm39) Q284* probably null Het
Kctd18 G T 1: 58,001,115 (GRCm39) Y213* probably null Het
Klk1b26 T C 7: 43,664,213 (GRCm39) S23P possibly damaging Het
Krt88 T C 15: 101,348,392 (GRCm39) L26P probably damaging Het
Lrrc8b G A 5: 105,629,522 (GRCm39) V623I probably benign Het
Map3k4 T A 17: 12,490,955 (GRCm39) M159L probably benign Het
Mast3 C A 8: 71,242,326 (GRCm39) probably null Het
Mier1 G A 4: 102,996,544 (GRCm39) probably null Het
Mrpl46 T C 7: 78,431,207 (GRCm39) D117G probably damaging Het
Ms4a6b A G 19: 11,497,760 (GRCm39) S20G probably benign Het
Mup10 A T 4: 60,538,077 (GRCm39) M4K unknown Het
Nlrp5 C T 7: 23,116,816 (GRCm39) A180V possibly damaging Het
Nlrx1 T A 9: 44,176,001 (GRCm39) probably null Het
Odad3 T C 9: 21,913,767 (GRCm39) T2A probably damaging Het
Or2a52 T C 6: 43,144,744 (GRCm39) F251L probably damaging Het
Or2t45 T C 11: 58,669,822 (GRCm39) Y290H probably damaging Het
Or4c103 T C 2: 88,513,969 (GRCm39) T36A possibly damaging Het
Or51aa2 C T 7: 103,187,995 (GRCm39) A149T probably benign Het
Or5af2 T A 11: 58,708,366 (GRCm39) C177* probably null Het
Or5ak22 A G 2: 85,229,983 (GRCm39) I298T probably benign Het
Otud1 C A 2: 19,663,742 (GRCm39) D290E probably damaging Het
Pank4 A G 4: 155,055,377 (GRCm39) N249S probably benign Het
Pccb G T 9: 100,913,966 (GRCm39) S84R probably benign Het
Pemt A T 11: 59,862,081 (GRCm39) H194Q possibly damaging Het
Phtf2 A G 5: 20,970,856 (GRCm39) I634T possibly damaging Het
Pias2 T G 18: 77,207,811 (GRCm39) I232R probably damaging Het
Plce1 A G 19: 38,686,952 (GRCm39) E620G probably damaging Het
Pramel17 A T 4: 101,692,725 (GRCm39) V425E probably benign Het
Ptpn13 G A 5: 103,713,150 (GRCm39) E1758K possibly damaging Het
Ptprq T A 10: 107,444,134 (GRCm39) Q1490L probably benign Het
Ptx3 G T 3: 66,132,368 (GRCm39) M296I probably benign Het
R3hdm2 C T 10: 127,317,644 (GRCm39) P464L probably damaging Het
Rapgef1 A G 2: 29,589,733 (GRCm39) E258G possibly damaging Het
Rgl2 T C 17: 34,153,964 (GRCm39) F457L possibly damaging Het
Rsf1 GGCGGCGGC GGCGGCGGCCGCGGCGGC 7: 97,229,122 (GRCm39) probably benign Het
Senp8 T C 9: 59,644,478 (GRCm39) N226S probably benign Het
Six5 C T 7: 18,828,901 (GRCm39) R114C probably damaging Het
Slc10a1 T C 12: 81,004,958 (GRCm39) T195A probably benign Het
Slpi G T 2: 164,197,467 (GRCm39) Q51K probably benign Het
Smarca4 T C 9: 21,570,256 (GRCm39) V753A probably benign Het
Tbc1d32 C A 10: 56,074,537 (GRCm39) M225I probably benign Het
Tent5a C A 9: 85,208,770 (GRCm39) G18C probably benign Het
Tnfrsf21 G A 17: 43,348,558 (GRCm39) V57I probably benign Het
Trim44 G T 2: 102,177,313 (GRCm39) P336T possibly damaging Het
Txlnb A G 10: 17,703,633 (GRCm39) I264V probably damaging Het
Xirp2 A C 2: 67,343,826 (GRCm39) E2022D probably benign Het
Zfp975 A G 7: 42,311,036 (GRCm39) *526R probably null Het
Zp1 A G 19: 10,893,933 (GRCm39) L424P probably damaging Het
Other mutations in Atxn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00656:Atxn2 APN 5 121,933,118 (GRCm39) missense probably benign 0.00
IGL00798:Atxn2 APN 5 121,933,298 (GRCm39) missense possibly damaging 0.58
IGL01518:Atxn2 APN 5 121,949,042 (GRCm39) missense probably damaging 1.00
IGL01737:Atxn2 APN 5 121,935,407 (GRCm39) missense probably damaging 0.98
IGL01832:Atxn2 APN 5 121,944,331 (GRCm39) nonsense probably null
IGL02122:Atxn2 APN 5 121,916,093 (GRCm39) missense probably damaging 1.00
IGL02333:Atxn2 APN 5 121,919,450 (GRCm39) missense probably damaging 1.00
IGL02742:Atxn2 APN 5 121,919,399 (GRCm39) missense possibly damaging 0.75
IGL03028:Atxn2 APN 5 121,948,972 (GRCm39) missense probably damaging 1.00
IGL03282:Atxn2 APN 5 121,923,298 (GRCm39) missense probably benign 0.00
R0387:Atxn2 UTSW 5 121,940,206 (GRCm39) missense possibly damaging 0.83
R0653:Atxn2 UTSW 5 121,910,841 (GRCm39) missense probably damaging 0.99
R0849:Atxn2 UTSW 5 121,885,484 (GRCm39) splice site probably null
R1305:Atxn2 UTSW 5 121,887,247 (GRCm39) missense probably damaging 1.00
R1440:Atxn2 UTSW 5 121,941,145 (GRCm39) critical splice donor site probably null
R1471:Atxn2 UTSW 5 121,924,437 (GRCm39) missense probably damaging 1.00
R1521:Atxn2 UTSW 5 121,917,654 (GRCm39) missense probably damaging 1.00
R1528:Atxn2 UTSW 5 121,951,593 (GRCm39) missense probably damaging 1.00
R1528:Atxn2 UTSW 5 121,940,171 (GRCm39) missense probably damaging 0.99
R2083:Atxn2 UTSW 5 121,922,069 (GRCm39) missense probably benign 0.00
R2197:Atxn2 UTSW 5 121,944,280 (GRCm39) splice site probably null
R2217:Atxn2 UTSW 5 121,941,140 (GRCm39) missense probably damaging 1.00
R2218:Atxn2 UTSW 5 121,941,140 (GRCm39) missense probably damaging 1.00
R2420:Atxn2 UTSW 5 121,940,142 (GRCm39) critical splice acceptor site probably null
R2421:Atxn2 UTSW 5 121,940,142 (GRCm39) critical splice acceptor site probably null
R2510:Atxn2 UTSW 5 121,919,456 (GRCm39) missense probably damaging 1.00
R3706:Atxn2 UTSW 5 121,923,931 (GRCm39) critical splice donor site probably null
R4604:Atxn2 UTSW 5 121,919,406 (GRCm39) missense probably damaging 1.00
R4852:Atxn2 UTSW 5 121,952,474 (GRCm39) missense probably damaging 0.97
R4914:Atxn2 UTSW 5 121,887,159 (GRCm39) missense probably damaging 1.00
R4982:Atxn2 UTSW 5 121,952,406 (GRCm39) missense possibly damaging 0.66
R5172:Atxn2 UTSW 5 121,933,098 (GRCm39) splice site probably null
R5213:Atxn2 UTSW 5 121,952,543 (GRCm39) splice site probably null
R5655:Atxn2 UTSW 5 121,885,489 (GRCm39) missense probably damaging 0.97
R5775:Atxn2 UTSW 5 121,951,512 (GRCm39) missense probably damaging 1.00
R5782:Atxn2 UTSW 5 121,935,373 (GRCm39) missense probably damaging 1.00
R6015:Atxn2 UTSW 5 121,949,055 (GRCm39) missense probably damaging 1.00
R6438:Atxn2 UTSW 5 121,917,495 (GRCm39) missense probably damaging 1.00
R6529:Atxn2 UTSW 5 121,949,677 (GRCm39) critical splice donor site probably null
R6659:Atxn2 UTSW 5 121,916,027 (GRCm39) missense probably benign 0.10
R6864:Atxn2 UTSW 5 121,917,557 (GRCm39) missense probably damaging 1.00
R7035:Atxn2 UTSW 5 121,949,530 (GRCm39) nonsense probably null
R7166:Atxn2 UTSW 5 121,934,460 (GRCm39) missense possibly damaging 0.90
R7257:Atxn2 UTSW 5 121,923,880 (GRCm39) missense possibly damaging 0.62
R7467:Atxn2 UTSW 5 121,940,330 (GRCm39) critical splice donor site probably null
R7544:Atxn2 UTSW 5 121,919,431 (GRCm39) missense probably damaging 1.00
R7648:Atxn2 UTSW 5 121,934,440 (GRCm39) missense probably damaging 0.99
R7883:Atxn2 UTSW 5 121,940,180 (GRCm39) missense possibly damaging 0.79
R8097:Atxn2 UTSW 5 121,887,286 (GRCm39) missense probably damaging 1.00
R8784:Atxn2 UTSW 5 121,933,091 (GRCm39) missense probably benign 0.00
R8835:Atxn2 UTSW 5 121,940,248 (GRCm39) missense possibly damaging 0.63
R8880:Atxn2 UTSW 5 121,948,973 (GRCm39) missense probably benign 0.24
R8983:Atxn2 UTSW 5 121,916,063 (GRCm39) missense probably damaging 1.00
R9254:Atxn2 UTSW 5 121,885,509 (GRCm39) missense probably damaging 1.00
R9332:Atxn2 UTSW 5 121,923,425 (GRCm39) missense probably damaging 1.00
R9379:Atxn2 UTSW 5 121,885,509 (GRCm39) missense probably damaging 1.00
R9412:Atxn2 UTSW 5 121,940,201 (GRCm39) missense possibly damaging 0.84
R9649:Atxn2 UTSW 5 121,949,055 (GRCm39) missense probably damaging 0.98
R9656:Atxn2 UTSW 5 121,922,061 (GRCm39) missense possibly damaging 0.78
X0028:Atxn2 UTSW 5 121,940,146 (GRCm39) missense probably benign 0.01
Z1176:Atxn2 UTSW 5 121,916,053 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GGATAAGGGTGAACCAGTTCTTG -3'
(R):5'- GCCAAATCAAGGAGCACTTTCTC -3'

Sequencing Primer
(F):5'- GTGTCTTTGACCCCATACTATAGAG -3'
(R):5'- GGTCACTGCAGTTTCTCT -3'
Posted On 2019-06-26