Incidental Mutation 'F5770:Sptbn2'
ID 178034
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # F5770 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 4800660 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Cysteine at position 2292 (R2292C)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably damaging
Transcript: ENSMUST00000008991
AA Change: R2292C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: R2292C

DomainStartEndE-ValueType
CH 59 159 1.86e-28 SMART
CH 178 276 2.86e-20 SMART
SPEC 308 414 4.63e-1 SMART
SPEC 428 528 3.07e-23 SMART
SPEC 534 638 4.47e-25 SMART
SPEC 644 744 1.28e-25 SMART
SPEC 750 849 4.98e-23 SMART
SPEC 855 955 1.63e-18 SMART
SPEC 961 1062 1.45e-24 SMART
SPEC 1068 1169 4.15e-20 SMART
SPEC 1175 1275 5.26e-22 SMART
SPEC 1281 1380 1.17e-19 SMART
SPEC 1386 1485 2.06e-24 SMART
SPEC 1491 1585 1.74e-22 SMART
SPEC 1591 1691 5.42e-24 SMART
SPEC 1697 1798 2.1e-21 SMART
SPEC 1804 1904 5.47e-20 SMART
SPEC 1910 2010 1.99e-22 SMART
SPEC 2016 2256 2.92e-6 SMART
PH 2219 2330 1.65e-14 SMART
low complexity region 2373 2386 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000178353
SMART Domains Protein: ENSMUSP00000136599
Gene: ENSMUSG00000096370

DomainStartEndE-ValueType
RRM 2 69 1.96e-17 SMART
Pfam:RRM_1 81 118 5.6e-7 PFAM
Meta Mutation Damage Score 0.7372 question?
Coding Region Coverage
  • 1x: 0.0%
  • 3x: 0.0%
  • 10x: 0.0%
  • 20x: 0.0%
Validation Efficiency 99% (96/97)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Spectrins are principle components of a cell's membrane-cytoskeleton and are composed of two alpha and two beta spectrin subunits. The protein encoded by this gene (SPTBN2), is called spectrin beta non-erythrocytic 2 or beta-III spectrin. It is related to, but distinct from, the beta-II spectrin gene which is also known as spectrin beta non-erythrocytic 1 (SPTBN1). SPTBN2 regulates the glutamate signaling pathway by stabilizing the glutamate transporter EAAT4 at the surface of the plasma membrane. Mutations in this gene cause a form of spinocerebellar ataxia, SCA5, that is characterized by neurodegeneration, progressive locomotor incoordination, dysarthria, and uncoordinated eye movements. [provided by RefSeq, Dec 2009]
PHENOTYPE: Homozygous hypomorphic mutants exhibit a progressive ataxic phenotype with gait abnormalities, tremor, deteriorating motor coordination, Purkinje cell loss, and cerebellar atrophy (molecular layer thinning) and age-related reduction in simple firing ratein surviving Purkinje cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9530002B09Rik A T 4: 122,595,050 (GRCm39) H102L possibly damaging Het
Abcb5 T A 12: 118,849,914 (GRCm39) M950L probably benign Het
Ahcy G A 2: 154,906,841 (GRCm39) R151* probably null Het
Arhgef38 T G 3: 132,855,301 (GRCm39) H262P probably damaging Het
Atp6v1h A G 1: 5,194,666 (GRCm39) T282A possibly damaging Het
Camk2g T C 14: 20,789,380 (GRCm39) probably benign Het
Casp8ap2 C T 4: 32,639,944 (GRCm39) H333Y probably benign Het
Cd36 ACTGTCTGT ACTGT 5: 18,025,526 (GRCm39) probably null Het
Cdc42bpb C T 12: 111,262,825 (GRCm39) G1501S probably benign Het
Cfi T A 3: 129,648,641 (GRCm39) I175K possibly damaging Het
Clasp1 G A 1: 118,509,078 (GRCm39) R1027Q probably damaging Het
D630003M21Rik T C 2: 158,042,931 (GRCm39) T870A probably benign Het
Dcaf4 C A 12: 83,584,475 (GRCm39) probably null Het
Dnah12 T A 14: 26,495,050 (GRCm39) N1369K possibly damaging Het
Dnajc22 T A 15: 98,999,363 (GRCm39) Y183N probably damaging Het
Dpyd C T 3: 118,690,775 (GRCm39) Q295* probably null Het
Dync2i1 A C 12: 116,175,460 (GRCm39) S906A possibly damaging Het
Erv3 T C 2: 131,697,846 (GRCm39) H171R possibly damaging Het
Fam221b T C 4: 43,665,865 (GRCm39) T249A probably benign Het
Fbrsl1 C T 5: 110,527,292 (GRCm39) A129T possibly damaging Het
Fcgr1 T C 3: 96,191,592 (GRCm39) *405W probably null Het
Gdap1l1 C T 2: 163,289,406 (GRCm39) probably benign Het
Glrx3 A G 7: 137,060,882 (GRCm39) H172R probably benign Het
Gm10770 T A 2: 150,021,404 (GRCm39) K38* probably null Het
Gm20517 G A 17: 47,929,757 (GRCm39) V65M probably damaging Het
Gm4787 G A 12: 81,424,341 (GRCm39) Q606* probably null Het
Golga4 A G 9: 118,385,143 (GRCm39) E727G possibly damaging Het
Got1 T A 19: 43,489,000 (GRCm39) probably benign Het
Heatr5a A G 12: 51,928,061 (GRCm39) probably benign Het
Hira G A 16: 18,713,571 (GRCm39) A29T probably damaging Het
Hnrnpab A T 11: 51,493,451 (GRCm39) N252K probably benign Het
Ing1 T C 8: 11,611,934 (GRCm39) V124A probably damaging Het
Izumo4 A T 10: 80,539,725 (GRCm39) T155S probably benign Het
Kcnb2 A G 1: 15,780,315 (GRCm39) I396V probably benign Het
Klc1 A T 12: 111,741,006 (GRCm39) I161F probably benign Het
Lpar5 C A 6: 125,058,690 (GRCm39) A137E possibly damaging Het
Lrp4 C T 2: 91,318,863 (GRCm39) S900L possibly damaging Het
Lrrc37a T G 11: 103,346,338 (GRCm39) N3176T possibly damaging Het
Mbd5 A G 2: 49,206,422 (GRCm39) D1713G probably damaging Het
Mctp2 T A 7: 71,771,499 (GRCm39) probably benign Het
Muc6 T G 7: 141,233,880 (GRCm39) E808A probably benign Het
Mylk G T 16: 34,815,574 (GRCm39) probably null Het
Myrfl T C 10: 116,697,435 (GRCm39) T30A probably damaging Het
Nbeal2 A G 9: 110,467,005 (GRCm39) V670A possibly damaging Het
Nphp3 T C 9: 103,913,093 (GRCm39) probably null Het
Numbl T C 7: 26,979,027 (GRCm39) S379P probably benign Het
Or10j7 G T 1: 173,011,531 (GRCm39) L157I probably benign Het
Or5an6 G A 19: 12,371,914 (GRCm39) V96I probably benign Het
Or5p57 G T 7: 107,665,885 (GRCm39) T40K probably benign Het
Otop3 T A 11: 115,235,664 (GRCm39) L432Q probably damaging Het
Papln C T 12: 83,825,608 (GRCm39) R608C possibly damaging Het
Pelp1 T A 11: 70,288,976 (GRCm39) T257S probably damaging Het
Pigx T C 16: 31,906,240 (GRCm39) D129G probably damaging Het
Pik3cd A C 4: 149,741,776 (GRCm39) L390R probably damaging Het
Plekhb1 T C 7: 100,303,825 (GRCm39) T112A probably benign Het
Ppwd1 A G 13: 104,356,745 (GRCm39) Y257H probably damaging Het
Prkcb G T 7: 122,127,699 (GRCm39) W274C probably damaging Het
Rabep1 T C 11: 70,828,342 (GRCm39) probably benign Het
Ralgapa1 G A 12: 55,842,438 (GRCm39) probably benign Het
Rasa1 A G 13: 85,375,064 (GRCm39) probably null Het
Rbbp8nl T A 2: 179,920,001 (GRCm39) T558S probably benign Het
Recql4 T C 15: 76,590,369 (GRCm39) D705G possibly damaging Het
Ror1 A G 4: 100,298,130 (GRCm39) Q501R probably damaging Het
Rundc3b TGCCGCCGCCGCCGCCGCCGCCGCCGC TGCCGCCGCCGCCGCCGCCGCCGC 5: 8,672,549 (GRCm39) probably benign Het
Sirpb1b A G 3: 15,568,243 (GRCm39) V366A probably benign Het
Slc30a4 T A 2: 122,531,458 (GRCm39) M136L probably benign Het
Slc5a6 C T 5: 31,199,957 (GRCm39) probably null Het
Spaca1 T C 4: 34,039,311 (GRCm39) E192G probably damaging Het
Spata31 C A 13: 65,069,462 (GRCm39) P537T probably benign Het
Thbd A T 2: 148,249,110 (GRCm39) Y253N probably benign Het
Tiam1 C T 16: 89,662,159 (GRCm39) R653H probably damaging Het
Tmc3 T C 7: 83,271,713 (GRCm39) V955A probably benign Het
Tnrc6c G A 11: 117,614,152 (GRCm39) R770H probably damaging Het
Toe1 A T 4: 116,663,308 (GRCm39) N56K probably damaging Het
Tprkb A G 6: 85,905,764 (GRCm39) K150E probably damaging Het
Trps1 T C 15: 50,694,973 (GRCm39) K150E probably damaging Het
Tspyl3 A G 2: 153,066,980 (GRCm39) V86A probably benign Het
Ttc23 T C 7: 67,359,063 (GRCm39) probably benign Het
Ttc36 A T 9: 44,713,094 (GRCm39) probably benign Het
Tubb3 C T 8: 124,138,414 (GRCm39) probably benign Het
Vmn2r68 C T 7: 84,871,088 (GRCm39) V732I probably benign Het
Vps18 A G 2: 119,127,709 (GRCm39) Y844C probably benign Het
Wdr72 T A 9: 74,064,552 (GRCm39) I528N probably damaging Het
Zfp292 C T 4: 34,806,783 (GRCm39) C2087Y possibly damaging Het
Zfp606 T G 7: 12,215,123 (GRCm39) probably benign Het
Zfp933 G A 4: 147,910,927 (GRCm39) A223V probably damaging Het
Zmynd8 G A 2: 165,654,314 (GRCm39) R724* probably null Het
Other mutations in Sptbn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00421:Sptbn2 APN 19 4,774,733 (GRCm39) missense possibly damaging 0.94
IGL00688:Sptbn2 APN 19 4,775,966 (GRCm39) missense probably damaging 1.00
IGL01339:Sptbn2 APN 19 4,796,000 (GRCm39) nonsense probably null
IGL01373:Sptbn2 APN 19 4,796,000 (GRCm39) nonsense probably null
IGL01420:Sptbn2 APN 19 4,784,153 (GRCm39) missense probably benign
IGL01456:Sptbn2 APN 19 4,796,777 (GRCm39) missense probably damaging 1.00
IGL01953:Sptbn2 APN 19 4,799,721 (GRCm39) missense probably benign
IGL03026:Sptbn2 APN 19 4,774,261 (GRCm39) critical splice donor site probably null
IGL03275:Sptbn2 APN 19 4,782,689 (GRCm39) missense possibly damaging 0.65
IGL03286:Sptbn2 APN 19 4,797,860 (GRCm39) missense probably damaging 0.97
PIT4696001:Sptbn2 UTSW 19 4,795,605 (GRCm39) missense probably benign 0.00
R0046:Sptbn2 UTSW 19 4,795,405 (GRCm39) intron probably benign
R0046:Sptbn2 UTSW 19 4,795,405 (GRCm39) intron probably benign
R0121:Sptbn2 UTSW 19 4,795,321 (GRCm39) missense probably damaging 1.00
R0127:Sptbn2 UTSW 19 4,774,772 (GRCm39) missense probably damaging 1.00
R0212:Sptbn2 UTSW 19 4,796,970 (GRCm39) critical splice donor site probably null
R0277:Sptbn2 UTSW 19 4,795,173 (GRCm39) missense probably benign 0.28
R0417:Sptbn2 UTSW 19 4,787,954 (GRCm39) missense probably benign 0.01
R0457:Sptbn2 UTSW 19 4,795,966 (GRCm39) missense possibly damaging 0.89
R0536:Sptbn2 UTSW 19 4,776,718 (GRCm39) missense probably damaging 0.99
R0631:Sptbn2 UTSW 19 4,790,014 (GRCm39) missense probably benign 0.01
R0734:Sptbn2 UTSW 19 4,798,151 (GRCm39) nonsense probably null
R0742:Sptbn2 UTSW 19 4,769,011 (GRCm39) missense possibly damaging 0.46
R1195:Sptbn2 UTSW 19 4,795,921 (GRCm39) missense possibly damaging 0.85
R1195:Sptbn2 UTSW 19 4,795,921 (GRCm39) missense possibly damaging 0.85
R1195:Sptbn2 UTSW 19 4,795,921 (GRCm39) missense possibly damaging 0.85
R1364:Sptbn2 UTSW 19 4,782,693 (GRCm39) missense probably damaging 1.00
R1495:Sptbn2 UTSW 19 4,769,004 (GRCm39) missense possibly damaging 0.92
R1498:Sptbn2 UTSW 19 4,794,274 (GRCm39) missense possibly damaging 0.94
R1606:Sptbn2 UTSW 19 4,800,270 (GRCm39) critical splice donor site probably null
R1678:Sptbn2 UTSW 19 4,800,525 (GRCm39) missense probably damaging 1.00
R1746:Sptbn2 UTSW 19 4,795,992 (GRCm39) nonsense probably null
R1820:Sptbn2 UTSW 19 4,776,624 (GRCm39) missense probably damaging 0.98
R1830:Sptbn2 UTSW 19 4,782,569 (GRCm39) missense probably benign 0.09
R1863:Sptbn2 UTSW 19 4,782,713 (GRCm39) missense possibly damaging 0.54
R1967:Sptbn2 UTSW 19 4,795,327 (GRCm39) missense probably benign 0.00
R2085:Sptbn2 UTSW 19 4,788,587 (GRCm39) missense probably benign 0.09
R2301:Sptbn2 UTSW 19 4,784,166 (GRCm39) missense probably benign 0.00
R2310:Sptbn2 UTSW 19 4,768,963 (GRCm39) missense probably benign 0.19
R2888:Sptbn2 UTSW 19 4,798,664 (GRCm39) missense possibly damaging 0.52
R3788:Sptbn2 UTSW 19 4,795,950 (GRCm39) missense probably damaging 1.00
R4429:Sptbn2 UTSW 19 4,788,383 (GRCm39) missense probably damaging 1.00
R4536:Sptbn2 UTSW 19 4,782,630 (GRCm39) missense probably damaging 1.00
R4662:Sptbn2 UTSW 19 4,789,267 (GRCm39) missense probably damaging 1.00
R4672:Sptbn2 UTSW 19 4,782,524 (GRCm39) missense probably benign 0.25
R4731:Sptbn2 UTSW 19 4,792,508 (GRCm39) missense probably damaging 0.96
R4747:Sptbn2 UTSW 19 4,798,182 (GRCm39) missense probably benign 0.27
R4889:Sptbn2 UTSW 19 4,779,458 (GRCm39) missense possibly damaging 0.69
R4891:Sptbn2 UTSW 19 4,788,497 (GRCm39) missense probably damaging 1.00
R4965:Sptbn2 UTSW 19 4,779,337 (GRCm39) missense probably benign 0.13
R4968:Sptbn2 UTSW 19 4,779,230 (GRCm39) splice site probably null
R4981:Sptbn2 UTSW 19 4,801,686 (GRCm39) missense probably benign 0.22
R5159:Sptbn2 UTSW 19 4,787,885 (GRCm39) missense probably benign 0.12
R5202:Sptbn2 UTSW 19 4,774,212 (GRCm39) missense probably damaging 1.00
R5253:Sptbn2 UTSW 19 4,800,110 (GRCm39) missense probably benign 0.01
R5294:Sptbn2 UTSW 19 4,768,936 (GRCm39) missense possibly damaging 0.67
R5465:Sptbn2 UTSW 19 4,800,133 (GRCm39) missense probably benign 0.00
R5546:Sptbn2 UTSW 19 4,775,978 (GRCm39) missense probably damaging 1.00
R5593:Sptbn2 UTSW 19 4,798,975 (GRCm39) missense probably damaging 1.00
R5780:Sptbn2 UTSW 19 4,774,695 (GRCm39) missense probably damaging 1.00
R5835:Sptbn2 UTSW 19 4,788,247 (GRCm39) missense probably damaging 1.00
R6008:Sptbn2 UTSW 19 4,789,306 (GRCm39) missense possibly damaging 0.89
R6108:Sptbn2 UTSW 19 4,781,420 (GRCm39) critical splice donor site probably null
R6236:Sptbn2 UTSW 19 4,798,166 (GRCm39) missense probably benign 0.01
R6307:Sptbn2 UTSW 19 4,774,674 (GRCm39) missense probably damaging 1.00
R6383:Sptbn2 UTSW 19 4,782,524 (GRCm39) missense possibly damaging 0.89
R6397:Sptbn2 UTSW 19 4,792,446 (GRCm39) missense possibly damaging 0.91
R6453:Sptbn2 UTSW 19 4,794,208 (GRCm39) missense possibly damaging 0.67
R6561:Sptbn2 UTSW 19 4,797,954 (GRCm39) missense probably benign 0.39
R6564:Sptbn2 UTSW 19 4,782,052 (GRCm39) missense probably damaging 1.00
R6644:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R6703:Sptbn2 UTSW 19 4,799,843 (GRCm39) missense probably benign
R6703:Sptbn2 UTSW 19 4,799,842 (GRCm39) missense probably benign
R6753:Sptbn2 UTSW 19 4,797,813 (GRCm39) missense probably benign 0.01
R7007:Sptbn2 UTSW 19 4,794,173 (GRCm39) missense possibly damaging 0.82
R7131:Sptbn2 UTSW 19 4,799,488 (GRCm39) missense probably null
R7219:Sptbn2 UTSW 19 4,774,201 (GRCm39) missense probably damaging 1.00
R7285:Sptbn2 UTSW 19 4,787,471 (GRCm39) missense probably benign 0.00
R7308:Sptbn2 UTSW 19 4,801,602 (GRCm39) missense probably benign
R7469:Sptbn2 UTSW 19 4,795,146 (GRCm39) missense probably benign 0.00
R7502:Sptbn2 UTSW 19 4,798,110 (GRCm39) missense probably benign 0.02
R7623:Sptbn2 UTSW 19 4,776,196 (GRCm39) missense probably damaging 1.00
R7635:Sptbn2 UTSW 19 4,794,235 (GRCm39) missense probably damaging 1.00
R7733:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7738:Sptbn2 UTSW 19 4,774,153 (GRCm39) missense probably damaging 1.00
R7742:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7767:Sptbn2 UTSW 19 4,784,171 (GRCm39) missense possibly damaging 0.62
R7795:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7796:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7871:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7877:Sptbn2 UTSW 19 4,794,290 (GRCm39) missense possibly damaging 0.93
R7920:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7921:Sptbn2 UTSW 19 4,799,040 (GRCm39) missense probably benign 0.05
R7923:Sptbn2 UTSW 19 4,796,827 (GRCm39) missense probably benign 0.01
R8137:Sptbn2 UTSW 19 4,787,431 (GRCm39) missense possibly damaging 0.81
R8305:Sptbn2 UTSW 19 4,779,158 (GRCm39) missense possibly damaging 0.81
R8695:Sptbn2 UTSW 19 4,796,724 (GRCm39) missense possibly damaging 0.86
R8790:Sptbn2 UTSW 19 4,782,052 (GRCm39) missense probably damaging 1.00
R9125:Sptbn2 UTSW 19 4,784,241 (GRCm39) missense probably benign 0.04
R9483:Sptbn2 UTSW 19 4,789,974 (GRCm39) missense probably damaging 1.00
R9620:Sptbn2 UTSW 19 4,800,535 (GRCm39) missense probably damaging 0.99
R9631:Sptbn2 UTSW 19 4,788,218 (GRCm39) missense probably damaging 1.00
R9646:Sptbn2 UTSW 19 4,795,341 (GRCm39) missense probably damaging 1.00
R9694:Sptbn2 UTSW 19 4,800,535 (GRCm39) missense probably damaging 0.99
V7580:Sptbn2 UTSW 19 4,800,660 (GRCm39) missense probably damaging 1.00
Z1176:Sptbn2 UTSW 19 4,795,219 (GRCm39) missense probably benign 0.01
Z1176:Sptbn2 UTSW 19 4,788,233 (GRCm39) missense probably damaging 1.00
Predicted Primers
Posted On 2014-05-07