Incidental Mutation 'R1967:Sptbn2'
ID 219127
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 039980-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1967 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 4795327 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 1595 (R1595L)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably benign
Transcript: ENSMUST00000008991
AA Change: R1595L

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: R1595L

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.6%
Validation Efficiency
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: 103 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930447A16Rik A C 15: 37,439,842 (GRCm39) probably benign Het
Abca6 T C 11: 110,077,974 (GRCm39) I1278V probably benign Het
Adamts15 C T 9: 30,832,605 (GRCm39) W310* probably null Het
Adamts6 T A 13: 104,563,459 (GRCm39) C650* probably null Het
Akap3 G T 6: 126,842,061 (GRCm39) G227C probably benign Het
Alox12e A T 11: 70,208,682 (GRCm39) S457T probably benign Het
Angpt1 C A 15: 42,301,703 (GRCm39) C435F probably damaging Het
Anxa9 T C 3: 95,207,919 (GRCm39) Q207R probably benign Het
Aplnr A T 2: 84,967,950 (GRCm39) D325V probably benign Het
Art2b A C 7: 101,229,414 (GRCm39) F162V probably damaging Het
Atp13a4 A G 16: 29,298,672 (GRCm39) S96P probably damaging Het
Bnc1 A T 7: 81,623,384 (GRCm39) H614Q probably benign Het
C6 A G 15: 4,789,302 (GRCm39) D249G probably damaging Het
Camta1 A T 4: 151,173,430 (GRCm39) F977I probably damaging Het
Chil6 T C 3: 106,298,470 (GRCm39) S188G possibly damaging Het
Cntrob A T 11: 69,211,789 (GRCm39) L145Q probably damaging Het
Coro7 T C 16: 4,452,753 (GRCm39) E306G probably damaging Het
Cplane1 T G 15: 8,232,904 (GRCm39) V1141G probably benign Het
Cpq T C 15: 33,497,348 (GRCm39) S363P possibly damaging Het
Ctc1 A G 11: 68,918,688 (GRCm39) probably null Het
Defb43 T A 14: 63,255,246 (GRCm39) N26K probably benign Het
Dennd1a T C 2: 37,734,845 (GRCm39) T41A probably benign Het
Dnah11 A C 12: 117,880,523 (GRCm39) Y3866D probably damaging Het
Eml6 A G 11: 29,974,545 (GRCm39) L11P probably damaging Het
Epha5 A G 5: 84,564,288 (GRCm39) V26A probably benign Het
Fam13c A G 10: 70,387,565 (GRCm39) D443G probably damaging Het
Fam227a G A 15: 79,521,335 (GRCm39) L243F possibly damaging Het
Fat3 T G 9: 15,879,591 (GRCm39) R3301S probably benign Het
Fbxw20 T C 9: 109,046,578 (GRCm39) T461A probably benign Het
Fgf8 T A 19: 45,730,007 (GRCm39) S61C probably damaging Het
Fgfrl1 A G 5: 108,852,871 (GRCm39) E100G probably damaging Het
Gabra4 G A 5: 71,729,412 (GRCm39) S456F possibly damaging Het
Gas6 T C 8: 13,520,317 (GRCm39) E457G probably damaging Het
Gpr33 G A 12: 52,070,991 (GRCm39) S16L probably benign Het
Greb1l A C 18: 10,501,049 (GRCm39) N393T possibly damaging Het
Gtpbp4 T C 13: 9,027,340 (GRCm39) K492E probably benign Het
Hsf2bp A T 17: 32,206,378 (GRCm39) L251* probably null Het
Hyal5 A T 6: 24,876,193 (GRCm39) Q22L possibly damaging Het
Itih1 A T 14: 30,663,941 (GRCm39) V114E possibly damaging Het
Jak3 T A 8: 72,134,179 (GRCm39) I427N probably damaging Het
Jcad T C 18: 4,675,162 (GRCm39) S975P probably benign Het
Kcng4 A G 8: 120,359,662 (GRCm39) V238A probably damaging Het
Klb A G 5: 65,529,417 (GRCm39) D315G probably damaging Het
Klrh1 A T 6: 129,752,798 (GRCm39) N2K possibly damaging Het
Krt5 T C 15: 101,620,094 (GRCm39) N208D probably benign Het
Lmo7 T A 14: 102,137,651 (GRCm39) H551Q probably benign Het
Lrp8 G T 4: 107,717,168 (GRCm39) G732V probably damaging Het
Lrrc38 A G 4: 143,096,553 (GRCm39) D288G unknown Het
Lrrc4b GAGAAG GAG 7: 44,111,654 (GRCm39) probably benign Het
Mas1 A G 17: 13,060,923 (GRCm39) Y167H probably benign Het
Mcm8 A C 2: 132,684,662 (GRCm39) I759L probably benign Het
Med13l G A 5: 118,899,387 (GRCm39) D2148N probably damaging Het
Muc20 A T 16: 32,614,612 (GRCm39) I255K probably benign Het
Myh1 A G 11: 67,104,273 (GRCm39) N980S probably benign Het
Nap1l4 T A 7: 143,088,024 (GRCm39) Q178L probably damaging Het
Ncapg T A 5: 45,857,252 (GRCm39) L988Q probably damaging Het
Ncf2 A T 1: 152,706,123 (GRCm39) H245L probably damaging Het
Neurl4 A G 11: 69,794,036 (GRCm39) E164G possibly damaging Het
Nf1 G A 11: 79,303,571 (GRCm39) R416H probably damaging Het
Obscn G A 11: 59,026,535 (GRCm39) Q223* probably null Het
Or10q1 T A 19: 13,727,417 (GRCm39) *316R probably null Het
Or2o1 T C 11: 49,051,675 (GRCm39) I278T probably benign Het
Pcdhb16 T A 18: 37,612,715 (GRCm39) N558K probably damaging Het
Pcnx2 A T 8: 126,542,422 (GRCm39) M1253K possibly damaging Het
Pla2g4a A G 1: 149,797,832 (GRCm39) V22A probably damaging Het
Plppr5 G A 3: 117,419,555 (GRCm39) probably null Het
Pnpla2 T C 7: 141,039,345 (GRCm39) S353P probably benign Het
Pom121 A T 5: 135,420,608 (GRCm39) L271Q unknown Het
Prepl A T 17: 85,395,979 (GRCm39) M1K probably null Het
Prr14l A G 5: 33,001,813 (GRCm39) probably benign Het
Psmc3 C A 2: 90,888,189 (GRCm39) P325T probably benign Het
Psme2b A G 11: 48,836,896 (GRCm39) V17A probably damaging Het
Ptpro A G 6: 137,393,863 (GRCm39) I23V probably benign Het
Rab31 A G 17: 66,079,499 (GRCm39) probably null Het
Ranbp6 T A 19: 29,789,900 (GRCm39) K151* probably null Het
Rbm12b1 A T 4: 12,146,304 (GRCm39) I759L probably benign Het
Rgs5 T C 1: 169,504,425 (GRCm39) I25T probably benign Het
Rnf213 T C 11: 119,371,721 (GRCm39) V4842A probably damaging Het
Rtl9 A T X: 141,886,037 (GRCm39) I1150F probably damaging Het
Scn1a A T 2: 66,158,769 (GRCm39) W384R probably damaging Het
Sema5a C T 15: 32,681,765 (GRCm39) P948L probably damaging Het
Slc26a3 G A 12: 31,515,777 (GRCm39) R559Q probably damaging Het
Slc29a3 A G 10: 60,552,243 (GRCm39) V267A probably benign Het
Spata22 A G 11: 73,221,953 (GRCm39) probably benign Het
Spata31e2 T A 1: 26,722,454 (GRCm39) I909L probably benign Het
Tfdp1 T C 8: 13,423,039 (GRCm39) S315P possibly damaging Het
Tle1 A T 4: 72,038,463 (GRCm39) V688E probably damaging Het
Tmem129 A T 5: 33,812,665 (GRCm39) probably null Het
Tmprss11a G A 5: 86,579,702 (GRCm39) T91I probably benign Het
Tnfsf14 A G 17: 57,497,807 (GRCm39) Y142H probably damaging Het
Tph1 T C 7: 46,311,538 (GRCm39) D68G probably benign Het
Ttn A T 2: 76,592,631 (GRCm39) S12507T probably damaging Het
Tubgcp2 T A 7: 139,586,066 (GRCm39) M408L probably benign Het
Usp34 A T 11: 23,314,503 (GRCm39) H815L probably benign Het
Usp6nl G A 2: 6,446,330 (GRCm39) R746H probably benign Het
Utp20 A G 10: 88,652,841 (GRCm39) S358P probably benign Het
Vmn2r118 G A 17: 55,899,882 (GRCm39) T674I probably damaging Het
Vmn2r8 A T 5: 108,950,249 (GRCm39) H199Q probably benign Het
Vmn2r9 A G 5: 108,995,388 (GRCm39) V420A probably benign Het
Vmn2r99 A T 17: 19,599,077 (GRCm39) T254S probably benign Het
Zbed5 A G 5: 129,930,510 (GRCm39) H132R possibly damaging Het
Zfp568 A G 7: 29,688,513 (GRCm39) E25G probably damaging Het
Zfp951 T A 5: 104,964,866 (GRCm39) I67L possibly damaging 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
F5770:Sptbn2 UTSW 19 4,800,660 (GRCm39) missense probably damaging 1.00
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
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 PCR Primer
(F):5'- TCTGTTGCTCTGGACAGACC -3'
(R):5'- GGGCTTGTTCCAATACCTGATG -3'

Sequencing Primer
(F):5'- TCTGGACAGACCCTGCAGAAG -3'
(R):5'- TCACTTCTGCCTGGGCG -3'
Posted On 2014-08-25