Incidental Mutation 'R1498:Sptbn2'
ID 169092
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 039549-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1498 (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 4794274 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 1493 (F1493L)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect possibly damaging
Transcript: ENSMUST00000008991
AA Change: F1493L

PolyPhen 2 Score 0.941 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: F1493L

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
Meta Mutation Damage Score 0.1590 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.2%
  • 20x: 92.6%
Validation Efficiency 97% (83/86)
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acly A G 11: 100,374,627 (GRCm39) S799P probably benign Het
Acvr1b T C 15: 101,091,891 (GRCm39) F57S probably benign Het
Adamts5 T A 16: 85,696,990 (GRCm39) T56S possibly damaging Het
Adrb2 T C 18: 62,312,004 (GRCm39) T274A probably damaging Het
Agr3 A T 12: 35,984,379 (GRCm39) probably null Het
Ankrd6 A G 4: 32,810,289 (GRCm39) M405T probably benign Het
Aoc1l2 A G 6: 48,908,305 (GRCm39) H435R probably benign Het
Aqp5 T C 15: 99,491,128 (GRCm39) I60T probably damaging Het
Arf5 G T 6: 28,426,153 (GRCm39) R180L probably benign Het
Asap3 A G 4: 135,966,505 (GRCm39) N528D probably benign Het
Atmin G A 8: 117,681,540 (GRCm39) E180K probably benign Het
Bcl11a A T 11: 24,114,005 (GRCm39) E449D probably damaging Het
Cep128 A T 12: 91,333,191 (GRCm39) F25I probably benign Het
Cfp GCAC GC X: 20,795,905 (GRCm39) probably null Het
Chpt1 T A 10: 88,312,966 (GRCm39) Y282F possibly damaging Het
Cul7 A G 17: 46,966,636 (GRCm39) D355G probably benign Het
Daxx T C 17: 34,131,227 (GRCm39) Y385H probably damaging Het
Dnah2 A C 11: 69,411,493 (GRCm39) probably null Het
Dscc1 CTGAATGAAT CTGAAT 15: 54,943,572 (GRCm39) probably benign Het
Erc2 T A 14: 28,024,855 (GRCm39) M578K probably benign Het
Evc T A 5: 37,481,044 (GRCm39) H267L possibly damaging Het
Exosc10 A C 4: 148,666,243 (GRCm39) Q837P possibly damaging Het
Fasn G A 11: 120,706,245 (GRCm39) T1033I probably damaging Het
Fat1 C A 8: 45,478,521 (GRCm39) Y2522* probably null Het
Fbxw8 G A 5: 118,203,850 (GRCm39) probably benign Het
Fyn A G 10: 39,408,120 (GRCm39) D321G possibly damaging Het
Grm6 G A 11: 50,748,083 (GRCm39) V398M probably damaging Het
Gtpbp1 T A 15: 79,603,222 (GRCm39) probably null Het
Hnf1a A G 5: 115,108,596 (GRCm39) V103A probably damaging Het
Hsp90aa1 A T 12: 110,662,122 (GRCm39) probably null Het
Iqgap2 C T 13: 95,783,313 (GRCm39) V1288I probably benign Het
Irx5 A G 8: 93,086,514 (GRCm39) D199G probably damaging Het
Klrh1 A G 6: 129,748,703 (GRCm39) S105P probably damaging Het
Krt9 G T 11: 100,079,195 (GRCm39) C732* probably null Het
Lifr T C 15: 7,220,099 (GRCm39) S910P probably damaging Het
Lrig1 G A 6: 94,604,968 (GRCm39) A209V possibly damaging Het
Lrrk1 T A 7: 65,952,419 (GRCm39) R506* probably null Het
Lyst T A 13: 13,824,960 (GRCm39) I1525K possibly damaging Het
Mad2l1 C T 6: 66,516,826 (GRCm39) Q173* probably null Het
Mcoln1 T A 8: 3,562,861 (GRCm39) I524N probably damaging Het
Mmp3 A T 9: 7,446,967 (GRCm39) D49V possibly damaging Het
Morc3 A T 16: 93,650,743 (GRCm39) N321I probably damaging Het
Mrpl48 T C 7: 100,195,695 (GRCm39) probably benign Het
Myo6 T A 9: 80,214,961 (GRCm39) D1231E probably damaging Het
Nlrc4 A G 17: 74,753,408 (GRCm39) I325T probably benign Het
Or1j19 A T 2: 36,677,358 (GRCm39) I274F probably damaging Het
Or2ag17 T C 7: 106,389,623 (GRCm39) Y195C possibly damaging Het
Or4f61 A T 2: 111,922,938 (GRCm39) M36K probably benign Het
Or8c16 C G 9: 38,130,676 (GRCm39) P183A probably damaging Het
Or8k32 A G 2: 86,368,902 (GRCm39) V117A probably benign Het
Parvg T A 15: 84,218,832 (GRCm39) S230T possibly damaging Het
Pcca T C 14: 122,854,230 (GRCm39) I118T probably damaging Het
Pde6a A G 18: 61,365,932 (GRCm39) N219S possibly damaging Het
Phldb1 G T 9: 44,612,915 (GRCm39) P935Q possibly damaging Het
Plppr5 T C 3: 117,456,261 (GRCm39) S261P probably damaging Het
Ppl T C 16: 4,922,629 (GRCm39) N260S probably benign Het
Ppp1r3e A T 14: 55,113,882 (GRCm39) H263Q probably benign Het
Ppp3cb T C 14: 20,559,567 (GRCm39) probably null Het
Ppt2 A T 17: 34,842,075 (GRCm39) D185E probably benign Het
Prr27 A T 5: 87,998,600 (GRCm39) probably benign Het
Ptcd3 A T 6: 71,870,479 (GRCm39) V327E probably damaging Het
Pwwp4a G T X: 72,171,261 (GRCm39) G218C probably damaging Het
Rsf1 GCG GCGACG 7: 97,229,114 (GRCm39) probably benign Het
Rtp1 A T 16: 23,249,970 (GRCm39) M112L probably benign Het
Slc22a5 A T 11: 53,760,140 (GRCm39) L392Q probably damaging Het
Slc6a7 A G 18: 61,129,764 (GRCm39) I614T probably benign Het
Slu7 C A 11: 43,329,044 (GRCm39) P89T possibly damaging Het
Smarcc2 T C 10: 128,318,061 (GRCm39) V618A probably benign Het
Sorl1 C T 9: 41,952,369 (GRCm39) R729Q probably damaging Het
Sulf1 C T 1: 12,918,574 (GRCm39) T66I probably damaging Het
Tgtp2 A G 11: 48,950,165 (GRCm39) Y136H probably damaging Het
Tmem117 T C 15: 94,536,242 (GRCm39) F92S probably damaging Het
Tmprss9 T A 10: 80,730,934 (GRCm39) V820E probably benign Het
Tpcn2 A G 7: 144,822,648 (GRCm39) Y266H probably damaging Het
Trat1 A G 16: 48,555,304 (GRCm39) S143P probably benign Het
Vmn1r49 T A 6: 90,049,298 (GRCm39) R235W probably damaging Het
Vmn1r71 A T 7: 10,482,575 (GRCm39) C38S probably benign Het
Vmn2r6 T A 3: 64,463,890 (GRCm39) T315S probably damaging Het
Wdr36 A G 18: 32,986,021 (GRCm39) D575G possibly damaging Het
Zfp292 G T 4: 34,805,397 (GRCm39) A2549E possibly damaging Het
Zfp354a A T 11: 50,961,073 (GRCm39) H426L probably damaging Het
Zfp407 C T 18: 84,577,898 (GRCm39) A1072T probably benign Het
Zfp648 T A 1: 154,081,119 (GRCm39) I426N probably damaging Het
Zfp87 T C 13: 74,520,736 (GRCm39) N114S 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
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'- AACTACCCAGACCGTAAGAGGCTG -3'
(R):5'- CAAGTCCTTGCCATGTTCCAGAGAG -3'

Sequencing Primer
(F):5'- AGACCGTAAGAGGCTGTTTTTCC -3'
(R):5'- CGCAGAGAGGAGCTGTCTAC -3'
Posted On 2014-04-13