Incidental Mutation 'R7469:Sptbn2'
ID 579072
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 045543-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7469 (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 4795146 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 1535 (K1535E)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably benign
Transcript: ENSMUST00000008991
AA Change: K1535E

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: K1535E

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
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
Abcc3 A G 11: 94,259,014 (GRCm39) L443P probably damaging Het
Abtb2 T C 2: 103,397,292 (GRCm39) V74A probably benign Het
Adam5 A T 8: 25,305,541 (GRCm39) F66I probably benign Het
Aff1 T A 5: 103,981,413 (GRCm39) D517E probably benign Het
Agbl3 A G 6: 34,791,349 (GRCm39) K559R probably damaging Het
Aldh1l2 A C 10: 83,343,969 (GRCm39) V482G probably damaging Het
Ankra2 C T 13: 98,402,882 (GRCm39) A43V probably benign Het
Ankrd50 C A 3: 38,508,342 (GRCm39) V419F probably damaging Het
Arhgef16 G A 4: 154,375,763 (GRCm39) T77M probably damaging Het
Best3 T C 10: 116,840,290 (GRCm39) V240A probably damaging Het
Btbd7 T C 12: 102,779,027 (GRCm39) Y413C probably damaging Het
Bzw2 A T 12: 36,157,550 (GRCm39) V305E probably damaging Het
Cacng8 G A 7: 3,463,621 (GRCm39) A258T possibly damaging Het
Cfap157 T C 2: 32,670,696 (GRCm39) Y184C probably damaging Het
Chmp3 T A 6: 71,556,652 (GRCm39) V184E possibly damaging Het
Cst5 C T 2: 149,247,496 (GRCm39) L71F probably benign Het
Ctdspl2 A T 2: 121,837,362 (GRCm39) E376D possibly damaging Het
Cyfip1 A G 7: 55,527,468 (GRCm39) D200G possibly damaging Het
Cylc2 T A 4: 51,227,970 (GRCm39) probably null Het
Cyp2c66 T A 19: 39,172,307 (GRCm39) F407L probably damaging Het
Dcp2 T C 18: 44,529,019 (GRCm39) F45L probably damaging Het
Dhx34 C T 7: 15,950,364 (GRCm39) R268H probably benign Het
Dnajc7 A T 11: 100,482,377 (GRCm39) M205K probably benign Het
Dzip3 C T 16: 48,765,242 (GRCm39) V491M probably benign Het
Farp1 T C 14: 121,512,833 (GRCm39) L777P probably damaging Het
Fchsd2 T G 7: 100,927,863 (GRCm39) probably null Het
Fer1l6 A T 15: 58,462,419 (GRCm39) probably null Het
Fhip1a T C 3: 85,580,069 (GRCm39) D712G probably benign Het
Fitm2 A G 2: 163,311,742 (GRCm39) F157S probably damaging Het
Flt1 G T 5: 147,540,379 (GRCm39) A770E probably damaging Het
Flt3 T A 5: 147,268,084 (GRCm39) E967V probably benign Het
Foxc1 G C 13: 31,992,361 (GRCm39) A391P unknown Het
Foxc1 C T 13: 31,992,362 (GRCm39) A391V unknown Het
Gimap6 T A 6: 48,679,392 (GRCm39) T215S probably benign Het
Gm2431 A T 7: 141,811,518 (GRCm39) C129S unknown Het
Itpr3 T C 17: 27,340,028 (GRCm39) S2636P possibly damaging Het
Lsg1 A G 16: 30,380,635 (GRCm39) Y601H probably benign Het
Map4 G T 9: 109,856,865 (GRCm39) probably null Het
Mga T C 2: 119,733,527 (GRCm39) M125T probably damaging Het
Mxi1 A G 19: 53,360,091 (GRCm39) D271G probably damaging Het
Ndst3 T A 3: 123,465,310 (GRCm39) T221S possibly damaging Het
Neto1 T A 18: 86,516,813 (GRCm39) S377T probably benign Het
Nkx6-2 T C 7: 139,161,555 (GRCm39) E210G probably damaging Het
Nos2 G T 11: 78,843,797 (GRCm39) V915F possibly damaging Het
Nrros G A 16: 31,963,030 (GRCm39) A329V probably benign Het
Numb T C 12: 83,850,578 (GRCm39) K211E probably benign Het
Nup210 T A 6: 90,995,874 (GRCm39) I1671F probably benign Het
Or12j3 G A 7: 139,953,050 (GRCm39) L158F possibly damaging Het
Or4c106 T A 2: 88,682,847 (GRCm39) D184E probably benign Het
Or4c31 T A 2: 88,291,691 (GRCm39) H2Q probably benign Het
Pcdh15 A T 10: 74,481,812 (GRCm39) M386L probably benign Het
Pcdhb3 C A 18: 37,434,388 (GRCm39) T118K probably benign Het
Pcdhb8 A T 18: 37,489,011 (GRCm39) I230F probably damaging Het
Peli2 G A 14: 48,488,015 (GRCm39) V120I probably benign Het
Pramel15 T A 4: 144,099,673 (GRCm39) Q364L probably damaging Het
Pramel7 T A 2: 87,321,748 (GRCm39) M96L probably benign Het
Prex2 T A 1: 11,355,293 (GRCm39) S1531R probably damaging Het
Prpf31 A G 7: 3,636,392 (GRCm39) T138A possibly damaging Het
Psme4 C T 11: 30,752,837 (GRCm39) T175I probably benign Het
Rasgrf2 A G 13: 92,165,530 (GRCm39) probably null Het
Rps19 T A 7: 24,589,190 (GRCm39) *146K probably null Het
Rsu1 T C 2: 13,082,371 (GRCm39) N260S probably benign Het
Serpina3k T C 12: 104,311,594 (GRCm39) C391R not run Het
Sipa1l1 T G 12: 82,467,438 (GRCm39) probably null Het
Snd1 T A 6: 28,626,126 (GRCm39) Y394N probably damaging Het
Spaca4 A T 7: 45,374,831 (GRCm39) V57E probably damaging Het
Spata31d1b A G 13: 59,863,278 (GRCm39) Y142C probably benign Het
Srcin1 A G 11: 97,425,435 (GRCm39) S541P probably damaging Het
Tc2n A T 12: 101,631,934 (GRCm39) F308I probably damaging Het
Tdrd5 T C 1: 156,090,475 (GRCm39) D857G probably benign Het
Timm22 A G 11: 76,298,134 (GRCm39) D35G probably benign Het
Tram1l1 C A 3: 124,114,889 (GRCm39) H16Q probably benign Het
Uggt1 T C 1: 36,190,814 (GRCm39) Y1382C probably damaging Het
Usp32 G T 11: 84,879,379 (GRCm39) D1443E possibly damaging Het
Uty A T Y: 1,131,072 (GRCm39) C1046S possibly damaging Het
Wdr31 T A 4: 62,375,768 (GRCm39) Q230L probably damaging Het
Wnt8b C A 19: 44,500,001 (GRCm39) T196K possibly damaging Het
Xpo4 A T 14: 57,835,436 (GRCm39) H628Q probably benign Het
Zfp780b C T 7: 27,663,382 (GRCm39) S391N 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
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
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'- CCTCCGGAGTCTTGACAAAG -3'
(R):5'- TGGCCCATCATGTGTAACTC -3'

Sequencing Primer
(F):5'- GAGTCTTTGAGAGGATTCAGAAAAG -3'
(R):5'- CATCACGATAGAATTGCTGGGCTC -3'
Posted On 2019-10-07