Incidental Mutation 'R7131:Sptbn2'
ID 552712
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 045216-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7131 (G1)
Quality Score 225.009
Status Not validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 4799488 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Leucine at position 2097 (Q2097L)
Ref Sequence ENSEMBL: ENSMUSP00000008991 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably null
Transcript: ENSMUST00000008991
AA Change: Q2097L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889
AA Change: Q2097L

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: 99.0%
Validation Efficiency
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: 100 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4fm4 A G 4: 144,396,637 (GRCm39) V365A probably damaging Het
Abca13 A G 11: 9,241,893 (GRCm39) N1252S probably benign Het
Abcc3 A T 11: 94,255,857 (GRCm39) F543I probably damaging Het
Adam15 T A 3: 89,254,287 (GRCm39) Q170L possibly damaging Het
Aldoc A G 11: 78,215,282 (GRCm39) I19V possibly damaging Het
Aoc1l1 T A 6: 48,953,306 (GRCm39) Y410* probably null Het
Atrip T C 9: 108,889,488 (GRCm39) I711M probably benign Het
Brwd1 A C 16: 95,867,698 (GRCm39) L149R probably damaging Het
Capn9 A T 8: 125,303,017 (GRCm39) D45V probably damaging Het
Card9 G A 2: 26,248,847 (GRCm39) R101C probably damaging Het
Ccdc87 A G 19: 4,891,785 (GRCm39) E759G probably damaging Het
Ccn1 T C 3: 145,354,536 (GRCm39) D125G probably damaging Het
Cep250 T C 2: 155,806,997 (GRCm39) M193T probably damaging Het
Cfap54 T C 10: 92,656,966 (GRCm39) K3029E probably benign Het
Chrna9 G A 5: 66,134,484 (GRCm39) G445D possibly damaging Het
Cluap1 C T 16: 3,758,639 (GRCm39) S367L probably benign Het
Col5a1 A G 2: 27,819,498 (GRCm39) D200G unknown Het
Crhr2 T C 6: 55,069,112 (GRCm39) N388D Het
Cyp2b23 A G 7: 26,380,838 (GRCm39) L129P probably benign Het
Dctd A G 8: 48,565,075 (GRCm39) S67G probably benign Het
Dhtkd1 C G 2: 5,908,881 (GRCm39) V738L probably benign Het
Dnah17 C T 11: 117,970,484 (GRCm39) D2173N probably benign Het
Dnah7c G T 1: 46,720,932 (GRCm39) A2819S probably benign Het
Dnai7 A T 6: 145,123,132 (GRCm39) L578Q probably null Het
Dot1l A G 10: 80,628,175 (GRCm39) H1071R unknown Het
Dync2h1 T A 9: 7,075,786 (GRCm39) D3027V probably damaging Het
Efl1 A G 7: 82,307,272 (GRCm39) Y56C probably damaging Het
Eif4e1b A T 13: 54,931,913 (GRCm39) R29W probably null Het
Evc2 A G 5: 37,567,602 (GRCm39) R860G probably damaging Het
Fbxl12 G A 9: 20,555,679 (GRCm39) probably benign Het
Fibp T A 19: 5,511,519 (GRCm39) I129N probably damaging Het
Folh1 G T 7: 86,375,320 (GRCm39) H555Q probably damaging Het
Gcnt4 A T 13: 97,083,027 (GRCm39) T108S probably damaging Het
H1f7 T A 15: 98,154,250 (GRCm39) K300* probably null Het
Hecw2 A T 1: 53,904,280 (GRCm39) V1156E probably damaging Het
Herc3 C G 6: 58,864,409 (GRCm39) A681G probably damaging Het
Igkv13-84 T A 6: 68,916,764 (GRCm39) C20* probably null Het
Iho1 A T 9: 108,294,619 (GRCm39) D98E probably benign Het
Iqca1l A G 5: 24,753,954 (GRCm39) V435A possibly damaging Het
Ivd C A 2: 118,700,255 (GRCm39) T94K probably damaging Het
Kank2 C T 9: 21,705,975 (GRCm39) A348T probably benign Het
Kcnma1 T C 14: 23,417,562 (GRCm39) Y889C probably damaging Het
Kif13b T C 14: 65,010,517 (GRCm39) V1272A probably damaging Het
Kmt2d GCTGCTGCT GCTGCTGCTCCTGCTGCT 15: 98,747,497 (GRCm39) probably benign Het
Kmt5b T A 19: 3,865,412 (GRCm39) D825E probably benign Het
Krt39 C T 11: 99,411,697 (GRCm39) A130T probably benign Het
Krtap4-9 C T 11: 99,676,283 (GRCm39) T68I unknown Het
Lmbr1l A T 15: 98,804,204 (GRCm39) V365E probably benign Het
Lonp1 C T 17: 56,924,814 (GRCm39) R531Q probably damaging Het
Mecom T A 3: 30,035,094 (GRCm39) H194L probably damaging Het
Mlx C T 11: 100,980,068 (GRCm39) H188Y probably damaging Het
Mrps10 T C 17: 47,685,940 (GRCm39) S77P probably damaging Het
Mst1 A G 9: 107,962,130 (GRCm39) E716G probably null Het
Mttp C T 3: 137,821,893 (GRCm39) V210I probably benign Het
Mug2 T C 6: 122,052,206 (GRCm39) V988A probably damaging Het
Ndufb6 A G 4: 40,279,336 (GRCm39) M1T probably null Het
Neurog1 A T 13: 56,399,563 (GRCm39) N61K probably benign Het
Nlrp14 A G 7: 106,784,021 (GRCm39) D581G possibly damaging Het
Nlrp4a C A 7: 26,149,258 (GRCm39) N288K probably benign Het
Notch3 T A 17: 32,363,191 (GRCm39) H1264L probably benign Het
Or1e25 A T 11: 73,493,562 (GRCm39) D52V possibly damaging Het
Or1e34 A T 11: 73,778,780 (GRCm39) C139* probably null Het
Or3a1c A G 11: 74,046,606 (GRCm39) M209V probably benign Het
Patl2 A T 2: 121,952,263 (GRCm39) probably null Het
Pfkfb4 A G 9: 108,836,370 (GRCm39) T133A probably benign Het
Pla2g4f T C 2: 120,135,035 (GRCm39) E471G probably null Het
Postn T C 3: 54,270,056 (GRCm39) V45A probably damaging Het
Ppan T A 9: 20,802,450 (GRCm39) V257E possibly damaging Het
Ptcra C G 17: 47,074,522 (GRCm39) A7P probably damaging Het
Ptprd C T 4: 75,984,577 (GRCm39) R523H probably damaging Het
Pycr3 A T 15: 75,790,544 (GRCm39) I105N possibly damaging Het
Rfx1 C A 8: 84,821,708 (GRCm39) Q815K probably damaging Het
Rfx3 T A 19: 27,746,028 (GRCm39) K668* probably null Het
Ryr2 A T 13: 11,655,213 (GRCm39) D3661E possibly damaging Het
Ryr2 A G 13: 11,683,697 (GRCm39) probably null Het
Sec23ip T A 7: 128,381,364 (GRCm39) S974T probably damaging Het
Semp2l2a A T 8: 13,886,982 (GRCm39) W370R probably damaging Het
Setbp1 A G 18: 79,130,175 (GRCm39) F19S probably benign Het
Setd1a AAGCAGCAGCAGCAGCAGCAG AAGCAGCAGCAGCAGCAG 7: 127,395,590 (GRCm39) probably benign Het
Sh3pxd2b A G 11: 32,372,072 (GRCm39) K413R probably damaging Het
Slc39a12 T C 2: 14,454,614 (GRCm39) V544A probably damaging Het
Slc6a7 T C 18: 61,135,274 (GRCm39) Y418C probably damaging Het
Snx19 T G 9: 30,339,189 (GRCm39) I109S probably damaging Het
Spart T C 3: 55,029,220 (GRCm39) probably null Het
Syne1 T C 10: 5,178,221 (GRCm39) K4751R probably damaging Het
Tigit C A 16: 43,482,615 (GRCm39) G40C probably damaging Het
Tmem181a T A 17: 6,348,247 (GRCm39) I264K probably damaging Het
Tom1 T A 8: 75,783,877 (GRCm39) I287N possibly damaging Het
Top2a G A 11: 98,895,008 (GRCm39) P864L possibly damaging Het
Trmt44 A T 5: 35,728,410 (GRCm39) V290E probably damaging Het
Try4 T C 6: 41,281,337 (GRCm39) I93T probably benign Het
Usp24 T A 4: 106,239,500 (GRCm39) H1147Q possibly damaging Het
Uspl1 A T 5: 149,130,745 (GRCm39) R109S probably benign Het
Vav3 T A 3: 109,571,662 (GRCm39) F755I probably damaging Het
Vezt A T 10: 93,806,409 (GRCm39) Y667* probably null Het
Vmn1r231 T A 17: 21,110,140 (GRCm39) L258F possibly damaging Het
Zfp207 T C 11: 80,286,354 (GRCm39) M489T unknown Het
Zfp462 A G 4: 55,009,380 (GRCm39) T449A probably benign Het
Zfp956 C A 6: 47,932,781 (GRCm39) Q19K probably benign Het
Zkscan8 A T 13: 21,709,443 (GRCm39) W152R probably damaging 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
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'- TTCCATGTCAGTCAGCTTGGG -3'
(R):5'- TGGCAATTTTGACTGAGTCCTAG -3'

Sequencing Primer
(F):5'- AGCTTGGGGGCCACTAAGATC -3'
(R):5'- CTTAGCTTCAGCATCCTG -3'
Posted On 2019-05-15