Incidental Mutation 'R0653:Atxn2'
ID 62371
Institutional Source Beutler Lab
Gene Symbol Atxn2
Ensembl Gene ENSMUSG00000042605
Gene Name ataxin 2
Synonyms 9630045M23Rik, ATX2, Sca2
MMRRC Submission 038838-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.820) question?
Stock # R0653 (G1)
Quality Score 112
Status Not validated
Chromosome 5
Chromosomal Location 121849672-121954372 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 121910841 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 358 (E358G)
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: E358G

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000056715
Gene: ENSMUSG00000042605
AA Change: E358G

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 noncoding transcript
Transcript: ENSMUST00000160813
Predicted Effect probably damaging
Transcript: ENSMUST00000161064
AA Change: E49G

PolyPhen 2 Score 0.958 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000124070
Gene: ENSMUSG00000042605
AA Change: E49G

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: E208G

PolyPhen 2 Score 0.973 (Sensitivity: 0.76; Specificity: 0.96)
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.6%
  • 20x: 95.4%
Validation Efficiency
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933427D14Rik T A 11: 72,066,371 (GRCm39) R612* probably null Het
Adgra1 A G 7: 139,456,063 (GRCm39) T564A probably damaging Het
Akr1c18 A T 13: 4,195,307 (GRCm39) D50E probably damaging Het
Atg9a C A 1: 75,166,972 (GRCm39) L26F probably damaging Het
Atp11b A G 3: 35,893,343 (GRCm39) T899A probably damaging Het
Bmp3 A G 5: 99,019,970 (GRCm39) Y131C probably damaging Het
Brip1 T C 11: 86,043,484 (GRCm39) E360G possibly damaging Het
Casd1 A T 6: 4,608,075 (GRCm39) I76L probably benign Het
Casq2 G A 3: 102,020,482 (GRCm39) probably null Het
Ccdc185 T A 1: 182,575,129 (GRCm39) Q520L possibly damaging Het
Cenpf T C 1: 189,392,183 (GRCm39) K550E probably damaging Het
Ciz1 T C 2: 32,262,418 (GRCm39) S521P probably damaging Het
Clstn2 A T 9: 97,340,257 (GRCm39) V705E probably damaging Het
Dagla A G 19: 10,225,789 (GRCm39) Y792H probably damaging Het
Dgke A T 11: 88,950,995 (GRCm39) C73S probably benign Het
Egflam A G 15: 7,279,509 (GRCm39) probably null Het
Farp1 T C 14: 121,471,258 (GRCm39) probably null Het
Fos A G 12: 85,522,790 (GRCm39) E234G probably benign Het
Gtf3c5 A T 2: 28,468,008 (GRCm39) M151K probably benign Het
Hgs G A 11: 120,359,904 (GRCm39) R36H probably damaging Het
Lats2 G A 14: 57,937,653 (GRCm39) Q279* probably null Het
Lysmd4 T A 7: 66,875,788 (GRCm39) D150E probably benign Het
Mex3b A G 7: 82,518,242 (GRCm39) K186E probably damaging Het
Myo9a A C 9: 59,832,274 (GRCm39) Q2601P probably damaging Het
Nckap5l C A 15: 99,321,127 (GRCm39) V1218F probably damaging Het
Nr5a2 A G 1: 136,876,543 (GRCm39) V40A probably benign Het
Obscn C A 11: 58,898,534 (GRCm39) probably benign Het
Or2y1d C A 11: 49,322,078 (GRCm39) Y258* probably null Het
Or4c114 A G 2: 88,904,808 (GRCm39) I209T possibly damaging Het
Or8g4 A G 9: 39,661,934 (GRCm39) N84S probably benign Het
Pclo T A 5: 14,732,269 (GRCm39) probably benign Het
Reln T C 5: 22,118,228 (GRCm39) I2939V probably benign Het
Rtn4 A T 11: 29,657,256 (GRCm39) K470I probably damaging Het
Sbno1 A G 5: 124,524,955 (GRCm39) I1050T possibly damaging Het
Scaf11 G T 15: 96,316,522 (GRCm39) S17* probably null Het
Scn9a A T 2: 66,363,721 (GRCm39) N841K probably damaging Het
Slc35e3 C A 10: 117,576,711 (GRCm39) E207* probably null Het
Slc6a20b A G 9: 123,426,377 (GRCm39) F503L probably damaging Het
Spag16 G T 1: 69,909,504 (GRCm39) K200N probably damaging Het
Supt6 G T 11: 78,116,841 (GRCm39) Q604K probably benign Het
Taok1 A G 11: 77,469,550 (GRCm39) probably null Het
Tjp1 A T 7: 64,964,503 (GRCm39) H889Q probably damaging Het
Tmed6 A T 8: 107,792,283 (GRCm39) probably null Het
Tsen54 A T 11: 115,705,887 (GRCm39) E68V probably damaging Het
Ttn A G 2: 76,559,878 (GRCm39) S21181P probably damaging Het
Ube3d A T 9: 86,334,043 (GRCm39) M33K possibly damaging Het
Umodl1 C A 17: 31,203,002 (GRCm39) Q452K probably benign Het
Wif1 G T 10: 120,935,704 (GRCm39) A354S probably benign Het
Wnk2 A G 13: 49,210,492 (GRCm39) F1788L possibly damaging Het
Zfhx3 A T 8: 109,673,440 (GRCm39) I1497F possibly damaging Het
Zfp217 C T 2: 169,957,382 (GRCm39) A539T probably benign Het
Zfp30 G A 7: 29,492,178 (GRCm39) R225Q probably damaging Het
Zfp87 T C 13: 74,520,190 (GRCm39) E296G probably damaging Het
Zfp874b A G 13: 67,623,052 (GRCm39) F86S possibly damaging Het
Zfyve19 A G 2: 119,041,696 (GRCm39) S88G probably benign 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
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
R7253:Atxn2 UTSW 5 121,916,084 (GRCm39) missense probably damaging 1.00
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'- GGTACATTTGGATACTGCACAGAGACC -3'
(R):5'- ACGAAACAGGCTGCCATCTTGTAAC -3'

Sequencing Primer
(F):5'- agactgcctcaacacaaaaac -3'
(R):5'- AGGCTGCCATCTTGTAACTATCAG -3'
Posted On 2013-07-30