Incidental Mutation 'R4672:Sptbn2'
ID 348584
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 041927-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4672 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 4782524 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Leucine at position 487 (V487L)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991]
AlphaFold Q68FG2
Predicted Effect probably benign
Transcript: ENSMUST00000008991
AA Change: V487L

PolyPhen 2 Score 0.250 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: V487L

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 0.0742 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.8%
Validation Efficiency 98% (113/115)
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: 105 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a G A 11: 109,962,702 (GRCm39) L483F possibly damaging Het
Abca8b A G 11: 109,827,274 (GRCm39) F1507L possibly damaging Het
Adamdec1 C A 14: 68,815,353 (GRCm39) E104* probably null Het
Adamts16 G A 13: 70,927,637 (GRCm39) probably benign Het
Alppl2 T C 1: 87,017,187 (GRCm39) probably benign Het
Aplnr A G 2: 84,967,524 (GRCm39) Y183C probably damaging Het
Atm G A 9: 53,433,501 (GRCm39) R250W probably damaging Het
B4galt7 T C 13: 55,757,132 (GRCm39) L275P probably damaging Het
Bltp1 A G 3: 36,944,139 (GRCm39) *330W probably null Het
Ccdc178 G A 18: 22,283,501 (GRCm39) Q10* probably null Het
Ccr9 T C 9: 123,608,752 (GRCm39) Y145H probably damaging Het
Cd209f C T 8: 4,153,685 (GRCm39) G188D probably damaging Het
Cep70 T A 9: 99,136,365 (GRCm39) S23T possibly damaging Het
Cpped1 C A 16: 11,623,238 (GRCm39) E294* probably null Het
Crisp1 T A 17: 40,605,404 (GRCm39) probably null Het
Disp1 T C 1: 182,880,215 (GRCm39) probably null Het
Dlg2 A T 7: 91,935,743 (GRCm39) M624L probably damaging Het
Elf2 A G 3: 51,163,855 (GRCm39) V558A probably damaging Het
Eno2 T C 6: 124,743,109 (GRCm39) D209G probably damaging Het
Fam187b G A 7: 30,676,968 (GRCm39) R159H probably damaging Het
Fh1 G A 1: 175,431,617 (GRCm39) A423V probably benign Het
Frg1 C T 8: 41,853,846 (GRCm39) D164N probably benign Het
Fsbp T G 4: 11,579,841 (GRCm39) N36K probably benign Het
Gcn1 A G 5: 115,744,579 (GRCm39) T1592A probably damaging Het
Gimap3 A G 6: 48,742,687 (GRCm39) I81T probably damaging Het
Gjb6 C T 14: 57,362,235 (GRCm39) V9I probably benign Het
Gkap1 T C 13: 58,411,770 (GRCm39) S68G possibly damaging Het
Gpatch8 A T 11: 102,369,784 (GRCm39) S1251R probably damaging Het
Gria4 A G 9: 4,664,981 (GRCm39) F92L possibly damaging Het
H2-Q1 C A 17: 35,539,906 (GRCm39) D58E probably damaging Het
Hs1bp3 G T 12: 8,391,983 (GRCm39) G362* probably null Het
Igfn1 T A 1: 135,893,107 (GRCm39) H2114L possibly damaging Het
Igkv12-98 A G 6: 68,547,940 (GRCm39) Q22R probably benign Het
Ing3 A G 6: 21,965,729 (GRCm39) probably null Het
Insr C T 8: 3,217,501 (GRCm39) probably null Het
Kdm3b T C 18: 34,941,630 (GRCm39) S374P probably benign Het
Kif14 A C 1: 136,449,016 (GRCm39) Q1472P probably benign Het
Kif14 G T 1: 136,449,017 (GRCm39) Q1472H probably benign Het
Knstrn A G 2: 118,664,512 (GRCm39) E202G probably damaging Het
Knstrn G T 2: 118,664,513 (GRCm39) E202D possibly damaging Het
Krt12 A G 11: 99,309,509 (GRCm39) probably benign Het
Lgi3 A T 14: 70,771,897 (GRCm39) I195F possibly damaging Het
Lima1 T C 15: 99,741,590 (GRCm39) N29D probably damaging Het
Liph T C 16: 21,802,806 (GRCm39) I88V probably benign Het
Lrrk1 A G 7: 65,929,120 (GRCm39) S86P probably benign Het
Lsamp A G 16: 41,775,697 (GRCm39) R166G probably damaging Het
Mamdc2 T A 19: 23,328,148 (GRCm39) N407Y probably damaging Het
Mast3 CATA CA 8: 71,237,441 (GRCm39) probably null Het
Megf6 T A 4: 154,333,909 (GRCm39) N212K probably damaging Het
Met A C 6: 17,571,803 (GRCm39) D1374A probably benign Het
Mrc2 A G 11: 105,233,923 (GRCm39) T902A probably benign Het
Mroh3 T A 1: 136,118,713 (GRCm39) T535S probably benign Het
Muc1 G T 3: 89,139,384 (GRCm39) V595L probably damaging Het
Myh2 T A 11: 67,079,303 (GRCm39) L957Q probably damaging Het
Myorg T A 4: 41,499,061 (GRCm39) M190L probably benign Het
Ncl A T 1: 86,284,324 (GRCm39) D257E probably benign Het
Nipbl T A 15: 8,332,468 (GRCm39) D2263V probably damaging Het
Optc C A 1: 133,825,555 (GRCm39) V324L possibly damaging Het
Or4k15 A G 14: 50,364,714 (GRCm39) N227D probably benign Het
Or4k42 A T 2: 111,319,902 (GRCm39) N200K possibly damaging Het
Or7g35 A G 9: 19,496,726 (GRCm39) K298E possibly damaging Het
Osbpl9 A G 4: 108,921,806 (GRCm39) I604T possibly damaging Het
Otog C A 7: 45,939,210 (GRCm39) A2080D probably damaging Het
Parp6 G C 9: 59,547,393 (GRCm39) R460P probably damaging Het
Phactr4 G T 4: 132,098,017 (GRCm39) P417Q probably damaging Het
Pigt T C 2: 164,339,498 (GRCm39) probably benign Het
Plekha5 A G 6: 140,470,655 (GRCm39) I99V probably damaging Het
Plxna3 T G X: 73,382,554 (GRCm39) probably null Het
Ppp2r1b G A 9: 50,779,019 (GRCm39) M362I probably damaging Het
Pramel34 T A 5: 93,784,182 (GRCm39) R230S probably damaging Het
Rad51 A G 2: 118,954,327 (GRCm39) I136V probably benign Het
Rad54b T A 4: 11,609,449 (GRCm39) H633Q probably benign Het
Rasal2 A G 1: 157,071,231 (GRCm39) F41S probably benign Het
Reep3 T A 10: 66,857,629 (GRCm39) H154L probably benign Het
Rp1l1 T G 14: 64,268,719 (GRCm39) V1435G probably damaging Het
Rps6ka5 C A 12: 100,620,546 (GRCm39) K125N possibly damaging Het
Rsad1 A T 11: 94,434,444 (GRCm39) M330K probably damaging Het
Scand1 A G 2: 156,153,850 (GRCm39) probably null Het
Setd6 A G 8: 96,444,640 (GRCm39) H111R probably null Het
Slc27a3 T C 3: 90,294,953 (GRCm39) N368S possibly damaging Het
Slc38a2 T C 15: 96,596,518 (GRCm39) T32A probably benign Het
Smg7 A G 1: 152,721,164 (GRCm39) S683P probably damaging Het
Smyd2 A T 1: 189,642,101 (GRCm39) L62M probably damaging Het
Sox5 T C 6: 143,779,075 (GRCm39) Y687C probably damaging Het
Spaca6 T A 17: 18,057,005 (GRCm39) C53* probably null Het
Spata31e4 T C 13: 50,857,208 (GRCm39) Y949H probably benign Het
Spire2 T C 8: 124,084,850 (GRCm39) V230A probably benign Het
Stk3 T A 15: 35,099,603 (GRCm39) I110L probably benign Het
Stox2 T A 8: 47,645,141 (GRCm39) Y773F probably damaging Het
Tbrg1 C A 9: 37,562,632 (GRCm39) A259S probably damaging Het
Tnfsf18 C A 1: 161,331,307 (GRCm39) D152E probably benign Het
Tpr G A 1: 150,299,318 (GRCm39) A1173T probably benign Het
Trrap T C 5: 144,722,290 (GRCm39) L271P probably damaging Het
Ttn G T 2: 76,657,419 (GRCm39) probably benign Het
U2surp A G 9: 95,375,198 (GRCm39) S192P possibly damaging Het
Ubr4 C T 4: 139,138,027 (GRCm39) S1128L probably damaging Het
Ucma G A 2: 4,981,465 (GRCm39) probably null Het
Urb1 A T 16: 90,569,522 (GRCm39) D1401E probably benign Het
Usp54 A T 14: 20,631,597 (GRCm39) probably benign Het
Vmn1r31 A G 6: 58,449,056 (GRCm39) Y270H probably damaging Het
Vmn1r90 T A 7: 14,295,493 (GRCm39) T202S probably benign Het
Vmn2r88 A G 14: 51,655,612 (GRCm39) Y616C probably damaging Het
Vmn2r95 T A 17: 18,672,413 (GRCm39) W717R probably damaging Het
Zcchc4 C A 5: 52,953,947 (GRCm39) T209K probably benign Het
Zfp955b T A 17: 33,524,233 (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
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'- CACTGCCTAAAGTTGGCACC -3'
(R):5'- CCATCCAGTCCATGAGGTAGAG -3'

Sequencing Primer
(F):5'- CGCCCTGGGGAATAGACAG -3'
(R):5'- GAGCAGGTCCTGAAACACTTTCTG -3'
Posted On 2015-10-08