Incidental Mutation 'R1678:Sptbn2'
ID 188322
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 039714-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1678 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4800525 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 2247 (Y2247H)
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: Y2247H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: Y2247H

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: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.2%
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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 A C 17: 24,554,594 (GRCm39) I120S probably benign Het
Abcb5 A C 12: 118,929,064 (GRCm39) probably benign Het
Abcc4 T A 14: 118,832,306 (GRCm39) T775S probably benign Het
Acnat2 T A 4: 49,380,568 (GRCm39) Y270F probably damaging Het
Aif1 G A 17: 35,391,127 (GRCm39) P44L probably benign Het
Ankib1 A G 5: 3,756,301 (GRCm39) I548T probably damaging Het
Apbb1ip A T 2: 22,764,892 (GRCm39) probably null Het
Asb17 C T 3: 153,550,004 (GRCm39) S12F probably damaging Het
Atad2b G A 12: 5,015,899 (GRCm39) V542I possibly damaging Het
Atxn7 T C 14: 14,096,239 (GRCm38) F515L probably damaging Het
Bicc1 A G 10: 70,779,348 (GRCm39) L680P probably damaging Het
Bpifb6 G A 2: 153,750,562 (GRCm39) R351H probably damaging Het
C4b A G 17: 34,962,624 (GRCm39) F26S probably benign Het
Cadps A G 14: 12,517,802 (GRCm38) probably null Het
Capza1 G T 3: 104,771,669 (GRCm39) S9* probably null Het
Ccl11 C T 11: 81,948,866 (GRCm39) P25L probably damaging Het
Cdyl A T 13: 36,040,872 (GRCm39) K306N probably damaging Het
Cnga3 T C 1: 37,300,579 (GRCm39) V471A possibly damaging Het
Col4a4 T C 1: 82,464,380 (GRCm39) K983E unknown Het
Cp A C 3: 20,026,881 (GRCm39) K436N probably damaging Het
Csmd1 T A 8: 15,968,252 (GRCm39) D3125V possibly damaging Het
Daw1 A T 1: 83,161,087 (GRCm39) N143I probably damaging Het
Dmd T A X: 84,018,368 (GRCm39) I3067N probably benign Het
Dnaaf9 A G 2: 130,656,193 (GRCm39) V105A probably damaging Het
Dnah11 T G 12: 117,897,580 (GRCm39) N3550T possibly damaging Het
Dnm2 T C 9: 21,378,828 (GRCm39) V129A possibly damaging Het
Dync1h1 A T 12: 110,632,096 (GRCm39) probably null Het
Dync2i1 A G 12: 116,189,590 (GRCm39) S640P probably damaging Het
Efemp1 G A 11: 28,866,942 (GRCm39) E325K probably benign Het
Enox1 A G 14: 77,815,096 (GRCm39) T85A probably benign Het
Faim2 C A 15: 99,418,217 (GRCm39) V123F possibly damaging Het
Fgfr2 T C 7: 129,830,350 (GRCm39) probably null Het
Fign T C 2: 63,810,718 (GRCm39) E184G probably damaging Het
Fnd3c2 T C X: 105,281,305 (GRCm39) T799A probably benign Het
Frem2 T C 3: 53,427,359 (GRCm39) D2931G probably damaging Het
Fsip2 A G 2: 82,816,689 (GRCm39) T4141A probably benign Het
Gigyf2 T A 1: 87,344,705 (GRCm39) M546K probably benign Het
Gm21775 G A Y: 10,553,867 (GRCm39) V139M probably damaging Het
Gpr83 G T 9: 14,778,145 (GRCm39) V172F probably damaging Het
Itprid1 G T 6: 55,945,499 (GRCm39) C740F probably benign Het
Jmjd4 A G 11: 59,344,438 (GRCm39) Y179C probably damaging Het
Kcnq3 A G 15: 65,903,281 (GRCm39) L143P probably damaging Het
Klhl41 T C 2: 69,501,283 (GRCm39) V248A probably benign Het
Lama1 T C 17: 68,117,150 (GRCm39) Y2482H possibly damaging Het
Lamb2 A T 9: 108,360,885 (GRCm39) probably null Het
Lclat1 G A 17: 73,503,715 (GRCm39) G162R probably damaging Het
Map6 T C 7: 98,917,305 (GRCm39) V26A probably damaging Het
Mdn1 A T 4: 32,663,050 (GRCm39) D107V probably damaging Het
Metap1d T A 2: 71,355,121 (GRCm39) V304D possibly damaging Het
Naca A G 10: 127,879,395 (GRCm39) probably benign Het
Napg T C 18: 63,117,143 (GRCm39) probably null Het
Nbeal1 T A 1: 60,299,493 (GRCm39) F7L probably benign Het
Ndst2 T C 14: 20,774,582 (GRCm39) T825A probably benign Het
Nsun2 T C 13: 69,775,222 (GRCm39) I353T probably damaging Het
Nt5c3b T A 11: 100,327,036 (GRCm39) I87F probably damaging Het
Nxf3 T C X: 134,976,270 (GRCm39) D407G probably damaging Het
Or51f2 T A 7: 102,526,870 (GRCm39) V181E probably damaging Het
Or8c13 A T 9: 38,091,933 (GRCm39) F62Y possibly damaging Het
Osbpl3 A C 6: 50,313,193 (GRCm39) probably null Het
P2rx3 T C 2: 84,852,811 (GRCm39) T172A possibly damaging Het
Pcdh10 G T 3: 45,336,316 (GRCm39) E877* probably null Het
Pcdhb9 A T 18: 37,534,682 (GRCm39) K225N probably damaging Het
Plch1 A G 3: 63,648,115 (GRCm39) S419P probably damaging Het
Prex2 T G 1: 11,355,313 (GRCm39) I1538S possibly damaging Het
Prss59 C A 6: 40,906,453 (GRCm39) probably benign Het
Rasl10a A G 11: 5,009,815 (GRCm39) E121G possibly damaging Het
Rbbp8 A G 18: 11,865,372 (GRCm39) T754A probably benign Het
Rictor T C 15: 6,785,952 (GRCm39) V156A probably benign Het
Ryr1 A T 7: 28,815,579 (GRCm39) Y104N probably damaging Het
Sctr G T 1: 119,964,169 (GRCm39) probably null Het
Sqle C T 15: 59,196,358 (GRCm39) R384W probably damaging Het
Srcin1 C A 11: 97,409,470 (GRCm39) R1163L probably damaging Het
Srp72 A G 5: 77,128,154 (GRCm39) Y125C probably damaging Het
Srrm2 T C 17: 24,037,960 (GRCm39) S1535P probably benign Het
Sumf2 A G 5: 129,883,557 (GRCm39) E125G possibly damaging Het
Tas2r144 A T 6: 42,192,490 (GRCm39) I77F probably benign Het
Tcerg1 T C 18: 42,657,414 (GRCm39) S299P unknown Het
Tcp1 T A 17: 13,139,310 (GRCm39) N212K probably benign Het
Ttc7 G T 17: 87,669,329 (GRCm39) G659C probably damaging Het
Ttn A T 2: 76,691,903 (GRCm39) probably null Het
Ubtf A T 11: 102,199,804 (GRCm39) D440E probably benign Het
Usp30 A G 5: 114,259,207 (GRCm39) D428G probably damaging Het
Vmn2r115 ATCTTCT ATCT 17: 23,578,962 (GRCm39) probably benign Het
Vmn2r58 G A 7: 41,513,480 (GRCm39) H388Y probably benign Het
Zbtb49 T C 5: 38,371,038 (GRCm39) D281G probably damaging Het
Zfp248 A G 6: 118,406,765 (GRCm39) S174P probably benign Het
Zswim9 T C 7: 13,011,337 (GRCm39) T4A 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
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'- GATGCTGTGCCGCAAACAAGAG -3'
(R):5'- TGTCTTCCACCTGCAAATACAGCC -3'

Sequencing Primer
(F):5'- TTCCTGGAAACTTCCTAGACAGAG -3'
(R):5'- CATGGCAGCTATGTTCATGTGC -3'
Posted On 2014-05-09