Incidental Mutation 'R0212:Sptbn2'
ID 33585
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 038463-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0212 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 4796970 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably null
Transcript: ENSMUST00000008991
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889

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: 99.3%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 95.1%
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: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ablim2 G A 5: 36,006,254 (GRCm39) probably null Het
Adat1 T A 8: 112,713,840 (GRCm39) D113V possibly damaging Het
Arhgap40 T G 2: 158,392,495 (GRCm39) L656V probably damaging Het
Atg2a T C 19: 6,296,584 (GRCm39) I330T probably damaging Het
Cad A G 5: 31,235,454 (GRCm39) D2137G probably damaging Het
Cd8a G A 6: 71,350,633 (GRCm39) E33K probably benign Het
Cemip C A 7: 83,622,398 (GRCm39) G594C probably damaging Het
Chd6 T A 2: 160,894,767 (GRCm39) D31V probably damaging Het
Cmpk1 A T 4: 114,822,216 (GRCm39) M111K possibly damaging Het
Crispld2 T G 8: 120,737,370 (GRCm39) H40Q probably benign Het
Depdc5 A G 5: 33,069,586 (GRCm39) T441A probably benign Het
Dpm1 T C 2: 168,069,414 (GRCm39) N5S probably benign Het
Ercc4 A G 16: 12,941,196 (GRCm39) probably null Het
Fam83f A T 15: 80,574,779 (GRCm39) M229L probably benign Het
Fgd5 A T 6: 91,965,189 (GRCm39) D474V probably damaging Het
Fgf21 G T 7: 45,263,526 (GRCm39) P184Q probably benign Het
Fry A T 5: 150,419,862 (GRCm39) D1008V probably damaging Het
Gjd2 T C 2: 113,841,953 (GRCm39) T175A probably benign Het
Gphn C T 12: 78,684,326 (GRCm39) T577I probably damaging Het
Ifi207 A T 1: 173,563,964 (GRCm39) N18K possibly damaging Het
Ifne T C 4: 88,797,972 (GRCm39) R149G possibly damaging Het
Ift80 A T 3: 68,847,506 (GRCm39) L330H probably benign Het
Inpp4b A T 8: 82,497,546 (GRCm39) H122L probably benign Het
Inpp5e T C 2: 26,298,352 (GRCm39) probably null Het
Ism1 T C 2: 139,582,177 (GRCm39) L163S probably benign Het
Itga11 T A 9: 62,653,251 (GRCm39) V375E probably benign Het
Itpr3 T G 17: 27,308,293 (GRCm39) F306V probably damaging Het
Kif19a A T 11: 114,675,736 (GRCm39) I403F possibly damaging Het
Klf12 A T 14: 100,260,298 (GRCm39) S144T probably benign Het
Lyst C T 13: 13,810,570 (GRCm39) H747Y possibly damaging Het
Mccc2 A G 13: 100,091,163 (GRCm39) Y445H probably benign Het
Mei1 G A 15: 81,980,132 (GRCm39) probably null Het
Metap2 T A 10: 93,697,242 (GRCm39) K479N probably damaging Het
Mief2 A T 11: 60,621,493 (GRCm39) D62V probably damaging Het
Mtrf1 A G 14: 79,656,719 (GRCm39) D407G probably benign Het
Myo3a A G 2: 22,296,659 (GRCm39) R210G probably damaging Het
Nkx2-2 T C 2: 147,026,090 (GRCm39) H216R probably damaging Het
Nos1 A G 5: 118,048,277 (GRCm39) E694G possibly damaging Het
Nptn A T 9: 58,535,164 (GRCm39) Y103F probably benign Het
Nrxn1 A G 17: 90,670,186 (GRCm39) probably benign Het
Numbl T C 7: 26,980,184 (GRCm39) S389P probably damaging Het
Or10d5 A G 9: 39,861,236 (GRCm39) V277A probably benign Het
Or1q1 T A 2: 36,887,644 (GRCm39) V274E possibly damaging Het
Or1q1 A T 2: 36,887,335 (GRCm39) D171V probably damaging Het
Or5b105 G A 19: 13,080,642 (GRCm39) R3C possibly damaging Het
Or5d16 A G 2: 87,773,435 (GRCm39) F179S probably damaging Het
Or5i1 C T 2: 87,613,826 (GRCm39) P314L unknown Het
Or8g20 C A 9: 39,396,384 (GRCm39) S55I probably damaging Het
Osm T G 11: 4,188,465 (GRCm39) S31A probably benign Het
Paqr4 T C 17: 23,957,294 (GRCm39) M70V probably benign Het
Pikfyve T A 1: 65,302,064 (GRCm39) Y1607N probably benign Het
Plec A C 15: 76,075,505 (GRCm39) Y402* probably null Het
Polq A G 16: 36,887,216 (GRCm39) K1631E probably damaging Het
Pou6f1 A G 15: 100,478,696 (GRCm39) V129A possibly damaging Het
Prm2 A G 16: 10,609,463 (GRCm39) probably benign Het
Prtn3 A G 10: 79,716,971 (GRCm39) Y112C probably damaging Het
Qrfp T A 2: 31,698,797 (GRCm39) H45L probably benign Het
Rps6ka5 A T 12: 100,519,428 (GRCm39) probably null Het
Rspo1 G A 4: 124,885,190 (GRCm39) R22Q probably benign Het
Slc10a1 A C 12: 81,014,486 (GRCm39) L78R possibly damaging Het
Slc26a5 A T 5: 22,028,547 (GRCm39) Y340* probably null Het
St3gal6 C A 16: 58,293,816 (GRCm39) A238S probably damaging Het
St3gal6 G T 16: 58,293,818 (GRCm39) A237E probably damaging Het
Tmem131l A T 3: 83,820,575 (GRCm39) S1226T probably benign Het
Togaram2 C T 17: 72,031,978 (GRCm39) L866F probably damaging Het
Txndc17 A G 11: 72,098,558 (GRCm39) T37A probably benign Het
Vmn2r105 C A 17: 20,428,827 (GRCm39) V750F possibly damaging Het
Vmn2r54 T A 7: 12,366,424 (GRCm39) Y170F probably benign Het
Wrnip1 T C 13: 33,005,889 (GRCm39) V577A probably benign Het
Zc3h7b A G 15: 81,660,529 (GRCm39) T226A probably benign Het
Zfp948 T C 17: 21,808,422 (GRCm39) I538T probably benign Het
Zzef1 A G 11: 72,764,736 (GRCm39) E1401G 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
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 PCR Primer
(F):5'- CCGAGTGGAAGGACAGTCTCAATG -3'
(R):5'- CTGGCCTGAATGGCATCAAAACAG -3'

Sequencing Primer
(F):5'- CTGCTGGACACAAGAGGTC -3'
(R):5'- aggatagaatcaccgcttagac -3'
Posted On 2013-05-09