Incidental Mutation 'R7219:Sptbn2'
ID 561706
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 045291-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7219 (G1)
Quality Score 225.009
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 4774201 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 84 (D84G)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991]
AlphaFold Q68FG2
Predicted Effect probably damaging
Transcript: ENSMUST00000008991
AA Change: D84G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: D84G

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 97% (77/79)
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: 79 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930562C15Rik T C 16: 4,667,508 (GRCm39) S300P unknown Het
Abhd17a T A 10: 80,420,008 (GRCm39) K226* probably null Het
Alkbh7 T A 17: 57,305,508 (GRCm39) H108Q probably damaging Het
Ankrd44 A C 1: 54,806,069 (GRCm39) H112Q probably damaging Het
Capn3 A G 2: 120,333,935 (GRCm39) E790G probably damaging Het
Cd47 C A 16: 49,728,440 (GRCm39) N330K possibly damaging Het
Cd55 A G 1: 130,390,343 (GRCm39) S22P possibly damaging Het
Cdc25a A G 9: 109,718,154 (GRCm39) I373V probably damaging Het
Cfap43 T C 19: 47,779,912 (GRCm39) I514V probably benign Het
Cfap73 A T 5: 120,768,200 (GRCm39) M186K probably benign Het
Chd9 A G 8: 91,728,394 (GRCm39) D1270G unknown Het
Ciita A G 16: 10,330,121 (GRCm39) T802A probably benign Het
Dlgap2 A G 8: 14,793,296 (GRCm39) E430G probably benign Het
Dlx1 C A 2: 71,360,513 (GRCm39) S59* probably null Het
Dnaaf3 T C 7: 4,531,076 (GRCm39) N119S probably damaging Het
Dnah11 T G 12: 118,004,830 (GRCm39) I2164L possibly damaging Het
Dnah11 T C 12: 118,090,624 (GRCm39) K1079R probably benign Het
Dnah12 C T 14: 26,576,837 (GRCm39) T3029I probably damaging Het
Dppa3 A T 6: 122,606,918 (GRCm39) Y136F probably damaging Het
Enox1 T A 14: 77,958,284 (GRCm39) M611K probably benign Het
Fam149a A T 8: 45,803,600 (GRCm39) I378N possibly damaging Het
Farp2 T C 1: 93,488,040 (GRCm39) F89S probably damaging Het
Fbn2 C T 18: 58,186,099 (GRCm39) V1750M probably benign Het
Frs3 A G 17: 48,013,620 (GRCm39) T181A probably damaging Het
Heatr4 T A 12: 84,004,644 (GRCm39) I726F possibly damaging Het
Ighg1 T G 12: 113,290,216 (GRCm39) E375A Het
Ikzf4 G T 10: 128,470,252 (GRCm39) Q476K possibly damaging Het
Kcnh1 G T 1: 192,187,945 (GRCm39) C829F probably benign Het
Krtap19-4 T C 16: 88,681,797 (GRCm39) Y53C unknown Het
Loricrin C A 3: 91,988,705 (GRCm39) G194C unknown Het
Lrp1 A C 10: 127,393,097 (GRCm39) D2720E probably benign Het
Lrp4 A G 2: 91,322,368 (GRCm39) Y1068C probably damaging Het
Mbnl1 A G 3: 60,511,244 (GRCm39) N67D probably benign Het
Mrpl21 A G 19: 3,336,998 (GRCm39) E123G probably benign Het
Mst1 A T 9: 107,958,485 (GRCm39) D65V probably damaging Het
Myo15b T A 11: 115,767,921 (GRCm39) probably null Het
Myo5a A G 9: 75,028,052 (GRCm39) Y79C probably damaging Het
Oas1c A T 5: 120,940,957 (GRCm39) W279R probably damaging Het
Or4f4-ps1 A T 2: 111,330,532 (GRCm39) M312L probably benign Het
Or4k77 A T 2: 111,199,882 (GRCm39) I302L probably benign Het
Or51f5 A G 7: 102,430,913 (GRCm39) I77V probably benign Het
Pcdh9 C T 14: 93,253,216 (GRCm39) G1149D possibly damaging Het
Pcid2 G A 8: 13,129,907 (GRCm39) T283I probably benign Het
Pdhx A G 2: 102,858,760 (GRCm39) V348A probably benign Het
Pi16 C A 17: 29,538,208 (GRCm39) P7Q possibly damaging Het
Psmb3 T A 11: 97,602,023 (GRCm39) M131K probably null Het
Raph1 A G 1: 60,542,032 (GRCm39) Y309H unknown Het
Rasgrf1 A G 9: 89,866,341 (GRCm39) N593S probably damaging Het
Rbm38 A C 2: 172,863,990 (GRCm39) E53A possibly damaging Het
Rufy3 A G 5: 88,797,715 (GRCm39) T631A probably benign Het
Sbno1 A T 5: 124,543,722 (GRCm39) D272E probably benign Het
Scamp1 T A 13: 94,361,415 (GRCm39) Y207F probably damaging Het
Scn8a T A 15: 100,866,984 (GRCm39) S263R probably damaging Het
Setbp1 T G 18: 78,798,960 (GRCm39) T1407P probably damaging Het
Skor2 T C 18: 76,948,096 (GRCm39) L606P possibly damaging Het
Slc35f6 A G 5: 30,814,796 (GRCm39) N241S probably benign Het
Slc36a2 T G 11: 55,059,744 (GRCm39) D247A probably benign Het
Smim10l1 T A 6: 133,084,895 (GRCm39) F87L unknown Het
Son T C 16: 91,461,889 (GRCm39) S2265P unknown Het
Spta1 A G 1: 174,050,203 (GRCm39) N1748D probably damaging Het
Tasor2 T A 13: 3,640,521 (GRCm39) L205F probably damaging Het
Tbc1d24 G A 17: 24,404,266 (GRCm39) R293C probably damaging Het
Tex15 A G 8: 34,036,268 (GRCm39) T65A probably benign Het
Thyn1 A G 9: 26,916,506 (GRCm39) Y97C probably damaging Het
Tmem64 T C 4: 15,266,700 (GRCm39) L250P probably damaging Het
Tnfrsf9 A T 4: 151,019,991 (GRCm39) K217N probably damaging Het
Tnxb A G 17: 34,898,039 (GRCm39) T896A probably benign Het
Trpm1 T A 7: 63,854,333 (GRCm39) I285N possibly damaging Het
Try5 T A 6: 41,288,637 (GRCm39) D194V probably damaging Het
U2surp G A 9: 95,372,215 (GRCm39) R316* probably null Het
Ubr2 G T 17: 47,246,360 (GRCm39) S1618* probably null Het
Ugp2 T C 11: 21,273,271 (GRCm39) I449M probably damaging Het
Umodl1 A G 17: 31,201,236 (GRCm39) probably null Het
Vmn2r31 C T 7: 7,390,105 (GRCm39) V538I probably benign Het
Vmn2r31 A T 7: 7,397,397 (GRCm39) M287K probably damaging Het
Wwc2 A G 8: 48,311,919 (GRCm39) V748A unknown Het
Zfp800 A C 6: 28,243,662 (GRCm39) H434Q probably benign Het
Zfp869 A G 8: 70,159,356 (GRCm39) C406R probably damaging Het
Zhx1 A G 15: 57,917,733 (GRCm39) V171A probably benign 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
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
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'- TCTCTCAGGCATCCCAAGTC -3'
(R):5'- TGTAATCCACGCAGCAAAGC -3'

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