Incidental Mutation 'R4981:Sptbn2'
ID 384878
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 042576-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4981 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4801686 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 2366 (V2366A)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000036744] [ENSMUST00000178353] [ENSMUST00000182200]
AlphaFold Q68FG2
Predicted Effect probably benign
Transcript: ENSMUST00000008991
AA Change: V2366A

PolyPhen 2 Score 0.216 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: V2366A

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: ENSMUST00000036744
SMART Domains Protein: ENSMUSP00000038256
Gene: ENSMUSG00000033760

DomainStartEndE-ValueType
RRM 3 68 5.4e-20 SMART
RRM 79 144 4.77e-21 SMART
ZnF_C2HC 161 177 1.23e-5 SMART
low complexity region 224 245 N/A INTRINSIC
low complexity region 279 295 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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000182065
Predicted Effect probably benign
Transcript: ENSMUST00000182200
SMART Domains Protein: ENSMUSP00000138146
Gene: ENSMUSG00000033760

DomainStartEndE-ValueType
RRM 3 68 5.4e-20 SMART
RRM 79 145 9.34e-15 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000182821
Predicted Effect noncoding transcript
Transcript: ENSMUST00000183008
Meta Mutation Damage Score 0.0602 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.3%
Validation Efficiency 100% (105/105)
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: 93 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700097O09Rik A T 12: 55,095,772 (GRCm39) probably null Het
Aatf T C 11: 84,402,323 (GRCm39) D121G probably benign Het
Amer2 T A 14: 60,617,176 (GRCm39) L331H probably damaging Het
Ang4 T G 14: 52,001,829 (GRCm39) K40Q probably benign Het
Aspm A C 1: 139,398,498 (GRCm39) probably null Het
Cacna1c A T 6: 118,728,432 (GRCm39) D337E probably benign Het
Ccdc124 T C 8: 71,321,429 (GRCm39) E134G probably benign Het
Ccdc7a G T 8: 129,711,464 (GRCm39) A312E probably benign Het
Cd209g A G 8: 4,186,845 (GRCm39) D130G probably damaging Het
Cd320 T C 17: 34,066,549 (GRCm39) S96P probably benign Het
Cenatac A T 9: 44,329,245 (GRCm39) F14Y probably damaging Het
Clu C G 14: 66,210,815 (GRCm39) Q134E probably damaging Het
Cnksr3 T A 10: 7,110,777 (GRCm39) H28L probably benign Het
Cntnap1 T C 11: 101,067,159 (GRCm39) probably null Het
Col22a1 C T 15: 71,732,915 (GRCm39) C546Y unknown Het
Col6a3 C T 1: 90,706,565 (GRCm39) V2183I unknown Het
Cop1 A G 1: 159,152,638 (GRCm39) probably benign Het
Cpne8 T C 15: 90,563,438 (GRCm39) I24V probably benign Het
Cspp1 T A 1: 10,196,688 (GRCm39) N900K probably damaging Het
Dennd5b G A 6: 148,911,270 (GRCm39) L978F possibly damaging Het
Depdc1a G T 3: 159,229,550 (GRCm39) M627I probably benign Het
Dnah3 A T 7: 119,555,424 (GRCm39) N2721K probably benign Het
Dnase1l1 C T X: 73,320,644 (GRCm39) probably null Homo
Dsg1b A G 18: 20,541,925 (GRCm39) T811A possibly damaging Het
Emilin1 C G 5: 31,076,695 (GRCm39) Q847E probably benign Het
Epha3 A T 16: 63,472,775 (GRCm39) V370D probably benign Het
Epha5 T A 5: 84,298,342 (GRCm39) T406S probably damaging Het
Ephb1 A T 9: 101,918,159 (GRCm39) I450N probably benign Het
Ephb2 A G 4: 136,423,321 (GRCm39) M319T probably benign Het
Eps15l1 A G 8: 73,132,833 (GRCm39) probably null Het
Fbxo9 G A 9: 77,993,168 (GRCm39) probably benign Het
Fgd5 T C 6: 91,966,281 (GRCm39) I838T probably damaging Het
Fnbp4 T C 2: 90,596,174 (GRCm39) F582L probably damaging Het
Frs3 T C 17: 48,000,187 (GRCm39) probably null Het
Fscb C T 12: 64,520,393 (GRCm39) V358I possibly damaging Het
Fus G T 7: 127,566,727 (GRCm39) probably benign Het
Fyb1 CCTCTCTCTCTCTCTCTCTCT CCTCTCTCTCTCTCTCTCT 15: 6,676,092 (GRCm39) probably benign Het
Glra3 A T 8: 56,444,270 (GRCm39) I77F possibly damaging Het
Gm4454 C T 7: 38,269,860 (GRCm39) noncoding transcript Het
Gng3 G A 19: 8,815,625 (GRCm39) A37V possibly damaging Het
Grin3b T A 10: 79,812,191 (GRCm39) probably benign Het
Herpud1 A G 8: 95,118,422 (GRCm39) Y41C probably damaging Het
Igkv4-92 G C 6: 68,732,028 (GRCm39) S115R possibly damaging Het
Ikbip T A 10: 90,931,848 (GRCm39) I164N probably benign Het
Kank1 A G 19: 25,388,759 (GRCm39) T783A probably benign Het
Kcnq3 A T 15: 65,903,254 (GRCm39) V152E possibly damaging Het
Kif23 C T 9: 61,839,153 (GRCm39) R314H probably damaging Het
Klc4 T C 17: 46,955,287 (GRCm39) H49R probably benign Het
Klhl20 A T 1: 160,930,575 (GRCm39) I309N possibly damaging Het
Lgals4 A G 7: 28,540,701 (GRCm39) Y268C probably damaging Het
Lingo4 A G 3: 94,306,761 (GRCm39) Q13R probably benign Het
Lmtk2 C A 5: 144,113,265 (GRCm39) F1328L probably damaging Het
Mapk14 A G 17: 28,960,765 (GRCm39) R179G probably damaging Het
Mbd3l1 A T 9: 18,396,201 (GRCm39) T109S probably benign Het
Megf6 T C 4: 154,351,907 (GRCm39) F1169L possibly damaging Het
Mrgpra1 A T 7: 46,984,959 (GRCm39) V240D probably damaging Het
Muc6 G A 7: 141,218,313 (GRCm39) S2120F possibly damaging Het
Myh1 T C 11: 67,115,300 (GRCm39) probably benign Het
Nav3 T C 10: 109,716,553 (GRCm39) I172V probably benign Het
Nemp1 T A 10: 127,529,399 (GRCm39) L178Q probably damaging Het
Numa1 T C 7: 101,641,881 (GRCm39) S110P probably damaging Het
Or4a75 A G 2: 89,447,769 (GRCm39) Y256H probably damaging Het
Or4c117 T C 2: 88,955,845 (GRCm39) T77A probably benign Het
Or51k1 A G 7: 103,661,312 (GRCm39) I199T probably damaging Het
Or5ak25 A G 2: 85,268,813 (GRCm39) S230P probably damaging Het
Or8k30 T C 2: 86,339,171 (GRCm39) Y123H probably damaging Het
Or9q1 A T 19: 13,805,458 (GRCm39) F101I probably damaging Het
Pard3b T G 1: 62,383,219 (GRCm39) M771R probably damaging Het
Phkg2 A G 7: 127,181,551 (GRCm39) I245V probably damaging Het
Pik3cg A T 12: 32,254,103 (GRCm39) M628K possibly damaging Het
Poln A G 5: 34,264,429 (GRCm39) probably null Het
Ppip5k1 A T 2: 121,142,871 (GRCm39) S1172T probably damaging Het
Prdm5 A T 6: 65,847,446 (GRCm39) H363L probably damaging Het
Prkdc A G 16: 15,496,173 (GRCm39) Y788C probably damaging Het
Prrc2c T A 1: 162,520,116 (GRCm39) R2076S probably damaging Het
Sh2d2a A G 3: 87,756,728 (GRCm39) Y191C probably damaging Het
Slc20a1 T C 2: 129,041,919 (GRCm39) I94T probably damaging Het
Stab2 T A 10: 86,796,087 (GRCm39) M387L probably benign Het
Syne2 T G 12: 75,987,993 (GRCm39) M1718R probably damaging Het
Synm G T 7: 67,384,235 (GRCm39) F700L probably benign Het
Tmco4 T C 4: 138,718,012 (GRCm39) F51L possibly damaging Het
Tmem104 C A 11: 115,095,962 (GRCm39) P168T probably damaging Het
Tril G T 6: 53,795,905 (GRCm39) T439K probably benign Het
Trim2 A G 3: 84,085,042 (GRCm39) L559P probably damaging Het
Trim3 A G 7: 105,268,335 (GRCm39) V149A probably damaging Het
Triml2 A G 8: 43,640,717 (GRCm39) N191S probably benign Het
Usp4 A G 9: 108,258,617 (GRCm39) D16G probably benign Het
Vmn2r58 G A 7: 41,486,885 (GRCm39) T670I probably damaging Het
Vmn2r97 G T 17: 19,160,436 (GRCm39) G524* probably null Het
Xpo5 C A 17: 46,531,743 (GRCm39) F426L probably damaging Het
Zfp800 A G 6: 28,247,190 (GRCm39) L84S probably damaging Het
Zranb2 T G 3: 157,252,378 (GRCm39) probably benign Het
Zswim4 C T 8: 84,953,296 (GRCm39) 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
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
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'- CCAAGTCAGTCCTTGTGTATGAG -3'
(R):5'- ATGGGTTGACCTTAGCAGCAG -3'

Sequencing Primer
(F):5'- GTATGAGCTGATGTCTCCCTGTC -3'
(R):5'- GTTGACCTTAGCAGCAGACCCTAG -3'
Posted On 2016-05-10