Incidental Mutation 'R7544:Atxn2'
ID 584076
Institutional Source Beutler Lab
Gene Symbol Atxn2
Ensembl Gene ENSMUSG00000042605
Gene Name ataxin 2
Synonyms 9630045M23Rik, ATX2, Sca2
MMRRC Submission 045616-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.820) question?
Stock # R7544 (G1)
Quality Score 225.009
Status Not validated
Chromosome 5
Chromosomal Location 121849672-121954372 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 121919431 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 530 (S530P)
Ref Sequence ENSEMBL: ENSMUSP00000056715 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000051950] [ENSMUST00000161064] [ENSMUST00000162327] [ENSMUST00000225761]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000051950
AA Change: S530P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000056715
Gene: ENSMUSG00000042605
AA Change: S530P

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 probably benign
Transcript: ENSMUST00000160821
SMART Domains Protein: ENSMUSP00000125647
Gene: ENSMUSG00000042605

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: S221P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000124070
Gene: ENSMUSG00000042605
AA Change: S221P

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 benign
Transcript: ENSMUST00000162327
SMART Domains Protein: ENSMUSP00000123784
Gene: ENSMUSG00000042605

DomainStartEndE-ValueType
low complexity region 1 32 N/A INTRINSIC
low complexity region 58 73 N/A INTRINSIC
Pfam:PAM2 74 91 1.3e-9 PFAM
low complexity region 302 339 N/A INTRINSIC
low complexity region 359 370 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000225761
AA Change: S380P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
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: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933427D14Rik C T 11: 72,089,765 (GRCm39) V40I probably damaging Het
Abcb11 T C 2: 69,095,830 (GRCm39) K837E probably benign Het
Arhgef10 T C 8: 15,029,854 (GRCm39) S919P probably benign Het
Bicc1 T C 10: 70,792,204 (GRCm39) E268G possibly damaging Het
Bnip5 G A 17: 29,124,298 (GRCm39) R335W probably damaging Het
Capn7 T G 14: 31,062,007 (GRCm39) L40V probably damaging Het
Cd28 A T 1: 60,808,859 (GRCm39) N191I probably damaging Het
Cfap69 G A 5: 5,645,936 (GRCm39) T588M not run Het
Csmd1 T C 8: 16,142,310 (GRCm39) E1531G probably damaging Het
Cyp4a14 T A 4: 115,348,283 (GRCm39) D398V probably damaging Het
Dchs2 T C 3: 83,262,434 (GRCm39) S2901P probably damaging Het
Ddx11 G A 17: 66,433,280 (GRCm39) G37S probably damaging Het
Diaph1 A T 18: 38,026,322 (GRCm39) probably null Het
Ech1 T C 7: 28,525,392 (GRCm39) V49A probably benign Het
Elovl4 T C 9: 83,665,271 (GRCm39) Y196C probably damaging Het
Ern2 G A 7: 121,772,422 (GRCm39) L679F probably benign Het
Fbf1 A T 11: 116,056,659 (GRCm39) M17K probably benign Het
Flvcr1 C A 1: 190,758,143 (GRCm39) G50W probably damaging Het
Fryl A G 5: 73,238,382 (GRCm39) S1455P probably benign Het
Fzd9 A G 5: 135,278,716 (GRCm39) Y390H probably damaging Het
Gnai3 C T 3: 108,025,702 (GRCm39) V126M Het
Gpc5 T C 14: 115,665,585 (GRCm39) F470L probably damaging Het
Grin1 T C 2: 25,195,086 (GRCm39) N332S probably benign Het
Gtf3c5 T A 2: 28,469,554 (GRCm39) I117F possibly damaging Het
Hydin A T 8: 111,316,157 (GRCm39) S4350C probably benign Het
Kcnh4 G T 11: 100,647,906 (GRCm39) H152Q probably benign Het
Kcnk12 A T 17: 88,053,493 (GRCm39) S390T possibly damaging Het
Klra9 T G 6: 130,168,183 (GRCm39) T28P probably benign Het
Lef1 T A 3: 130,988,414 (GRCm39) I327N probably damaging Het
Lin54 A G 5: 100,633,129 (GRCm39) V185A possibly damaging Het
Lrrc37 T C 11: 103,506,274 (GRCm39) E1898G probably benign Het
Lrrc4b A T 7: 44,111,975 (GRCm39) I616F probably damaging Het
Mad2l1bp A G 17: 46,463,770 (GRCm39) Y85H possibly damaging Het
Mars1 T C 10: 127,147,479 (GRCm39) E7G probably benign Het
Mpnd G A 17: 56,318,666 (GRCm39) R225H probably benign Het
Muc4 T A 16: 32,555,016 (GRCm39) M1K probably null Het
Nckap5 A G 1: 125,953,948 (GRCm39) L868S possibly damaging Het
Ndst1 G A 18: 60,830,256 (GRCm39) T618M probably damaging Het
Npas1 A T 7: 16,194,899 (GRCm39) probably null Het
Nr2f2 A T 7: 70,004,499 (GRCm39) V384D probably damaging Het
Or10a3b A G 7: 108,444,528 (GRCm39) S230P probably benign Het
Or1e19 A G 11: 73,316,596 (GRCm39) L71P probably damaging Het
Or4p8 T A 2: 88,727,705 (GRCm39) I79F probably damaging Het
Paip1 T A 13: 119,582,337 (GRCm39) F188I probably damaging Het
Pcdha4 A T 18: 37,086,776 (GRCm39) I320L probably benign Het
Peg10 TCAGCATCAGGATCCCCATCAGGATGCACATCAGGATCCACATCAGGATGCACATC T 6: 4,756,427 (GRCm39) probably null Het
Pgpep1 C T 8: 71,103,168 (GRCm39) G110R unknown Het
Pidd1 T A 7: 141,020,252 (GRCm39) H558L possibly damaging Het
Ppp1r1a C T 15: 103,439,776 (GRCm39) probably null Het
Pramel18 T C 4: 101,768,599 (GRCm39) S317P possibly damaging Het
Pramel51 T A 12: 88,142,850 (GRCm39) Y451F probably benign Het
Prkcg A G 7: 3,359,081 (GRCm39) D96G probably benign Het
Prpf40b A G 15: 99,203,899 (GRCm39) N154S probably benign Het
Psg17 A G 7: 18,553,897 (GRCm39) Y118H probably benign Het
Ptpn12 A G 5: 21,214,509 (GRCm39) I209T probably damaging Het
Reln T A 5: 22,181,276 (GRCm39) K1835* probably null Het
Sf3b3 T C 8: 111,564,915 (GRCm39) M298V probably benign Het
Slc5a3 T A 16: 91,874,682 (GRCm39) N246K probably benign Het
Slmap T A 14: 26,151,001 (GRCm39) E522D probably damaging Het
Slmap C T 14: 26,151,003 (GRCm39) E522K probably damaging Het
Tcp10c T A 17: 13,581,260 (GRCm39) L230Q probably damaging Het
Tdo2 A G 3: 81,878,942 (GRCm39) probably null Het
Tet3 A T 6: 83,381,623 (GRCm39) W182R probably damaging Het
Tmem151a T A 19: 5,121,895 (GRCm39) M35L unknown Het
Tom1l2 TTGATGATG TTGATG 11: 60,171,040 (GRCm39) probably benign Het
Trak2 A T 1: 58,960,227 (GRCm39) probably null Het
Trappc11 T A 8: 47,975,449 (GRCm39) E256D possibly damaging Het
Trim62 C T 4: 128,796,346 (GRCm39) T281I probably benign Het
Trip13 T C 13: 74,081,021 (GRCm39) E115G probably benign Het
Trp63 A G 16: 25,620,837 (GRCm39) T10A probably benign Het
Urah A T 7: 140,415,565 (GRCm39) H11L probably damaging Het
Usp39 G A 6: 72,319,891 (GRCm39) T109I probably damaging Het
Wfikkn2 T C 11: 94,128,738 (GRCm39) T468A probably benign Het
Zfhx4 T G 3: 5,477,875 (GRCm39) S3497A probably damaging Het
Zfp85 C T 13: 67,897,184 (GRCm39) R296H 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
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
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
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'- GGAACGTGGATTCATTTCAACAGAC -3'
(R):5'- TCTGAAGACATGCGTTTAGGC -3'

Sequencing Primer
(F):5'- GTGAATTTGTGTCAGTTAAGTTGTAC -3'
(R):5'- TGCGTTTAGGCATAGTAGAGAC -3'
Posted On 2019-10-17