Incidental Mutation 'R8790:Sptbn2'
ID 670916
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 068634-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8790 (G1)
Quality Score 225.009
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 4782052 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 430 (F430L)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991]
AlphaFold Q68FG2
Predicted Effect probably damaging
Transcript: ENSMUST00000008991
AA Change: F430L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: F430L

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
Meta Mutation Damage Score 0.9138 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 100% (83/83)
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
2610008E11Rik G A 10: 78,928,285 (GRCm39) P68S possibly damaging Het
Abcb5 T A 12: 118,831,620 (GRCm39) N1244I possibly damaging Het
Abcb9 A G 5: 124,215,304 (GRCm39) I479T probably damaging Het
Abi3bp A T 16: 56,495,437 (GRCm39) I920F probably damaging Het
Adcy6 T A 15: 98,496,881 (GRCm39) T465S probably damaging Het
Ankrd12 A T 17: 66,290,153 (GRCm39) I1760N possibly damaging Het
Aoah C T 13: 21,035,840 (GRCm39) R140C probably benign Het
Bmp7 T A 2: 172,712,060 (GRCm39) D388V probably benign Het
Bphl C T 13: 34,244,468 (GRCm39) A195V probably benign Het
Cckar A G 5: 53,857,291 (GRCm39) V373A probably damaging Het
Cd79b T G 11: 106,202,873 (GRCm39) D243A possibly damaging Het
Cdc25a T A 9: 109,716,416 (GRCm39) probably null Het
Cfap57 T A 4: 118,439,111 (GRCm39) Q805L possibly damaging Het
Ckap2l A T 2: 129,111,172 (GRCm39) M675K possibly damaging Het
Cluap1 T A 16: 3,735,787 (GRCm39) probably benign Het
Cyp2b9 A G 7: 25,898,167 (GRCm39) probably benign Het
D930020B18Rik G A 10: 121,503,568 (GRCm39) G248S possibly damaging Het
Ddx1 A T 12: 13,273,993 (GRCm39) I570N probably damaging Het
Dmkn G A 7: 30,463,449 (GRCm39) S34N probably benign Het
Dnaaf2 T C 12: 69,244,068 (GRCm39) D331G probably damaging Het
Dnah1 A T 14: 31,018,232 (GRCm39) Y1429N possibly damaging Het
Dnajc5b T A 3: 19,600,981 (GRCm39) L26Q probably damaging Het
Epb41l1 T G 2: 156,345,722 (GRCm39) F242V possibly damaging Het
Esam A T 9: 37,442,927 (GRCm39) I72F probably benign Het
Fam110a C T 2: 151,812,338 (GRCm39) R144H probably damaging Het
Fam186a T C 15: 99,841,024 (GRCm39) D1740G possibly damaging Het
Fam98a A G 17: 75,854,684 (GRCm39) F42L possibly damaging Het
Fras1 C T 5: 96,903,236 (GRCm39) P3038S probably damaging Het
Gm32742 C A 9: 51,059,140 (GRCm39) G1035C probably damaging Het
Irf5 T A 6: 29,535,026 (GRCm39) probably benign Het
Jam2 T A 16: 84,606,259 (GRCm39) I91K possibly damaging Het
Klhdc3 A G 17: 46,991,626 (GRCm39) probably benign Het
Lgi1 C T 19: 38,289,296 (GRCm39) S215F possibly damaging Het
Lrp1 G A 10: 127,374,946 (GRCm39) T4504I probably damaging Het
Mafa T A 15: 75,619,224 (GRCm39) H183L probably benign Het
Map2 T C 1: 66,477,997 (GRCm39) V1773A probably damaging Het
Mesp1 G A 7: 79,442,825 (GRCm39) R151* probably null Het
Mphosph9 T C 5: 124,453,736 (GRCm39) D192G probably damaging Het
Mthfr C A 4: 148,139,991 (GRCm39) D678E probably benign Het
Myo15a A C 11: 60,367,362 (GRCm39) T41P possibly damaging Het
Myo15a G T 11: 60,378,047 (GRCm39) R185L Het
Myom2 T G 8: 15,169,242 (GRCm39) L1136W probably damaging Het
Naa30 A G 14: 49,418,208 (GRCm39) D316G probably benign Het
Ngef T C 1: 87,405,319 (GRCm39) Q697R probably benign Het
Nin T C 12: 70,067,793 (GRCm39) R1945G Het
Obox8 A T 7: 14,066,908 (GRCm39) Y45* probably null Het
Ocln C T 13: 100,642,727 (GRCm39) V452I probably benign Het
Oog3 T A 4: 143,885,710 (GRCm39) D296V possibly damaging Het
Or5a1 T C 19: 12,097,906 (GRCm39) N57D probably damaging Het
Or5h19 T C 16: 58,856,580 (GRCm39) I173M possibly damaging Het
Or8g4 T A 9: 39,662,204 (GRCm39) I174K probably damaging Het
Or8k35 T C 2: 86,424,278 (GRCm39) K298R possibly damaging Het
Papln T C 12: 83,823,918 (GRCm39) V499A probably benign Het
Paxip1 G T 5: 27,977,078 (GRCm39) P328Q unknown Het
Pcnx2 T C 8: 126,604,306 (GRCm39) H650R probably benign Het
Pcnx3 A T 19: 5,735,206 (GRCm39) V540E possibly damaging Het
Pnpla5 C T 15: 84,002,819 (GRCm39) G255R probably damaging Het
Ppdpf G T 2: 180,829,646 (GRCm39) E34* probably null Het
Pum3 T C 19: 27,394,199 (GRCm39) Y357C probably damaging Het
R3hdm2 T G 10: 127,293,521 (GRCm39) S142A probably damaging Het
Rasa3 A T 8: 13,727,391 (GRCm39) probably null Het
Rcor2 T A 19: 7,246,340 (GRCm39) M5K possibly damaging Het
Rere A G 4: 150,593,332 (GRCm39) T309A unknown Het
Ryr1 A T 7: 28,776,297 (GRCm39) I2250N probably damaging Het
Sema6c T C 3: 95,075,341 (GRCm39) V130A probably benign Het
Slc26a9 T A 1: 131,683,155 (GRCm39) S200T probably damaging Het
Slc38a10 A G 11: 120,023,519 (GRCm39) L299P possibly damaging Het
Smim10l1 G T 6: 133,084,848 (GRCm39) V72L unknown Het
Svep1 T A 4: 58,118,145 (GRCm39) Y859F possibly damaging Het
Svil C A 18: 5,056,098 (GRCm39) Q324K possibly damaging Het
Tgfb1i1 A T 7: 127,852,049 (GRCm39) D377V probably damaging Het
Tmed10 C A 12: 85,390,254 (GRCm39) W203L probably damaging Het
Tmem51 T A 4: 141,765,056 (GRCm39) M1L possibly damaging Het
Tmprss11e A G 5: 86,855,259 (GRCm39) V382A probably benign Het
Tnfrsf13b G T 11: 61,038,350 (GRCm39) R211L possibly damaging Het
Tns3 A G 11: 8,468,273 (GRCm39) V317A probably damaging Het
Top3a G A 11: 60,631,363 (GRCm39) P1000S possibly damaging Het
Traj32 A T 14: 54,423,587 (GRCm39) I10F Het
Trav8-1 T A 14: 53,707,677 (GRCm39) C106S probably damaging Het
Trbv2 A G 6: 41,024,655 (GRCm39) I24V probably benign Het
Ubap2 A G 4: 41,209,351 (GRCm39) probably null Het
Vmn2r97 T A 17: 19,160,472 (GRCm39) C536S probably damaging Het
Zfp879 G T 11: 50,723,429 (GRCm39) C542* probably null Het
Znfx1 C T 2: 166,892,500 (GRCm39) 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
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
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'- CACTGAGACTCTTCCATGGATCG -3'
(R):5'- ATCCTGAGTTTCCTGCACGAC -3'

Sequencing Primer
(F):5'- AGACTCTTCCATGGATCGGCTAG -3'
(R):5'- CCTGGATGTGTCTGAAAC -3'
Posted On 2021-04-30