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 4711208-4752353 bp(+) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to T at 4749460 bp (GRCm38)
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
4931409K22Rik A G 5: 24,548,956 (GRCm38) V435A possibly damaging Het
Abca13 A G 11: 9,291,893 (GRCm38) N1252S probably benign Het
Abcc3 A T 11: 94,365,031 (GRCm38) F543I probably damaging Het
Adam15 T A 3: 89,346,980 (GRCm38) Q170L possibly damaging Het
AF366264 A T 8: 13,836,982 (GRCm38) W370R probably damaging Het
Aldoc A G 11: 78,324,456 (GRCm38) I19V possibly damaging Het
Atrip T C 9: 109,060,420 (GRCm38) I711M probably benign Het
Brwd1 A C 16: 96,066,498 (GRCm38) L149R probably damaging Het
Capn9 A T 8: 124,576,278 (GRCm38) D45V probably damaging Het
Card9 G A 2: 26,358,835 (GRCm38) R101C probably damaging Het
Casc1 A T 6: 145,177,406 (GRCm38) L578Q probably null Het
Ccdc36 A T 9: 108,417,420 (GRCm38) D98E probably benign Het
Ccdc87 A G 19: 4,841,757 (GRCm38) E759G probably damaging Het
Cep250 T C 2: 155,965,077 (GRCm38) M193T probably damaging Het
Cfap54 T C 10: 92,821,104 (GRCm38) K3029E probably benign Het
Chrna9 G A 5: 65,977,141 (GRCm38) G445D possibly damaging Het
Cluap1 C T 16: 3,940,775 (GRCm38) S367L probably benign Het
Col5a1 A G 2: 27,929,486 (GRCm38) D200G unknown Het
Crhr2 T C 6: 55,092,127 (GRCm38) N388D Het
Cyp2b23 A G 7: 26,681,413 (GRCm38) L129P probably benign Het
Cyr61 T C 3: 145,648,781 (GRCm38) D125G probably damaging Het
Dctd A G 8: 48,112,040 (GRCm38) S67G probably benign Het
Dhtkd1 C G 2: 5,904,070 (GRCm38) V738L probably benign Het
Dnah17 C T 11: 118,079,658 (GRCm38) D2173N probably benign Het
Dnah7c G T 1: 46,681,772 (GRCm38) A2819S probably benign Het
Dot1l A G 10: 80,792,341 (GRCm38) H1071R unknown Het
Doxl2 T A 6: 48,976,372 (GRCm38) Y410* probably null Het
Dync2h1 T A 9: 7,075,786 (GRCm38) D3027V probably damaging Het
Efl1 A G 7: 82,658,064 (GRCm38) Y56C probably damaging Het
Eif4e1b A T 13: 54,784,100 (GRCm38) R29W probably null Het
Evc2 A G 5: 37,410,258 (GRCm38) R860G probably damaging Het
Fbxl12 G A 9: 20,644,383 (GRCm38) probably benign Het
Fibp T A 19: 5,461,491 (GRCm38) I129N probably damaging Het
Folh1 G T 7: 86,726,112 (GRCm38) H555Q probably damaging Het
Gcnt4 A T 13: 96,946,519 (GRCm38) T108S probably damaging Het
Gm436 A G 4: 144,670,067 (GRCm38) V365A probably damaging Het
H1fnt T A 15: 98,256,369 (GRCm38) K300* probably null Het
Hecw2 A T 1: 53,865,121 (GRCm38) V1156E probably damaging Het
Herc3 C G 6: 58,887,424 (GRCm38) A681G probably damaging Het
Igkv13-84 T A 6: 68,939,780 (GRCm38) C20* probably null Het
Ivd C A 2: 118,869,774 (GRCm38) T94K probably damaging Het
Kank2 C T 9: 21,794,679 (GRCm38) A348T probably benign Het
Kcnma1 T C 14: 23,367,494 (GRCm38) Y889C probably damaging Het
Kif13b T C 14: 64,773,068 (GRCm38) V1272A probably damaging Het
Kmt2d GCTGCTGCT GCTGCTGCTCCTGCTGCT 15: 98,849,616 (GRCm38) probably benign Het
Kmt5b T A 19: 3,815,412 (GRCm38) D825E probably benign Het
Krt39 C T 11: 99,520,871 (GRCm38) A130T probably benign Het
Krtap4-9 C T 11: 99,785,457 (GRCm38) T68I unknown Het
Lmbr1l A T 15: 98,906,323 (GRCm38) V365E probably benign Het
Lonp1 C T 17: 56,617,814 (GRCm38) R531Q probably damaging Het
Mecom T A 3: 29,980,945 (GRCm38) H194L probably damaging Het
Mlx C T 11: 101,089,242 (GRCm38) H188Y probably damaging Het
Mrps10 T C 17: 47,375,015 (GRCm38) S77P probably damaging Het
Mst1 A G 9: 108,084,931 (GRCm38) E716G probably null Het
Mttp C T 3: 138,116,132 (GRCm38) V210I probably benign Het
Mug2 T C 6: 122,075,247 (GRCm38) V988A probably damaging Het
Ndufb6 A G 4: 40,279,336 (GRCm38) M1T probably null Het
Neurog1 A T 13: 56,251,750 (GRCm38) N61K probably benign Het
Nlrp14 A G 7: 107,184,814 (GRCm38) D581G possibly damaging Het
Nlrp4a C A 7: 26,449,833 (GRCm38) N288K probably benign Het
Notch3 T A 17: 32,144,217 (GRCm38) H1264L probably benign Het
Olfr384 A T 11: 73,602,736 (GRCm38) D52V possibly damaging Het
Olfr394 A T 11: 73,887,954 (GRCm38) C139* probably null Het
Olfr402 A G 11: 74,155,780 (GRCm38) M209V probably benign Het
Patl2 A T 2: 122,121,782 (GRCm38) probably null Het
Pfkfb4 A G 9: 109,007,302 (GRCm38) T133A probably benign Het
Pla2g4f T C 2: 120,304,554 (GRCm38) E471G probably null Het
Postn T C 3: 54,362,635 (GRCm38) V45A probably damaging Het
Ppan T A 9: 20,891,154 (GRCm38) V257E possibly damaging Het
Ptcra C G 17: 46,763,596 (GRCm38) A7P probably damaging Het
Ptprd C T 4: 76,066,340 (GRCm38) R523H probably damaging Het
Pycrl A T 15: 75,918,695 (GRCm38) I105N possibly damaging Het
Rfx1 C A 8: 84,095,079 (GRCm38) Q815K probably damaging Het
Rfx3 T A 19: 27,768,628 (GRCm38) K668* probably null Het
Ryr2 A T 13: 11,640,327 (GRCm38) D3661E possibly damaging Het
Ryr2 A G 13: 11,668,811 (GRCm38) probably null Het
Sec23ip T A 7: 128,779,640 (GRCm38) S974T probably damaging Het
Setbp1 A G 18: 79,086,960 (GRCm38) F19S probably benign Het
Setd1a AAGCAGCAGCAGCAGCAGCAG AAGCAGCAGCAGCAGCAG 7: 127,796,418 (GRCm38) probably benign Het
Sh3pxd2b A G 11: 32,422,072 (GRCm38) K413R probably damaging Het
Slc39a12 T C 2: 14,449,803 (GRCm38) V544A probably damaging Het
Slc6a7 T C 18: 61,002,202 (GRCm38) Y418C probably damaging Het
Snx19 T G 9: 30,427,893 (GRCm38) I109S probably damaging Het
Spg20 T C 3: 55,121,799 (GRCm38) probably null Het
Syne1 T C 10: 5,228,221 (GRCm38) K4751R probably damaging Het
Tigit C A 16: 43,662,252 (GRCm38) G40C probably damaging Het
Tmem181a T A 17: 6,297,972 (GRCm38) I264K probably damaging Het
Tom1 T A 8: 75,057,249 (GRCm38) I287N possibly damaging Het
Top2a G A 11: 99,004,182 (GRCm38) P864L possibly damaging Het
Trmt44 A T 5: 35,571,066 (GRCm38) V290E probably damaging Het
Try4 T C 6: 41,304,403 (GRCm38) I93T probably benign Het
Usp24 T A 4: 106,382,303 (GRCm38) H1147Q possibly damaging Het
Uspl1 A T 5: 149,193,935 (GRCm38) R109S probably benign Het
Vav3 T A 3: 109,664,346 (GRCm38) F755I probably damaging Het
Vezt A T 10: 93,970,547 (GRCm38) Y667* probably null Het
Vmn1r231 T A 17: 20,889,878 (GRCm38) L258F possibly damaging Het
Zfp207 T C 11: 80,395,528 (GRCm38) M489T unknown Het
Zfp462 A G 4: 55,009,380 (GRCm38) T449A probably benign Het
Zfp956 C A 6: 47,955,847 (GRCm38) Q19K probably benign Het
Zkscan8 A T 13: 21,525,273 (GRCm38) W152R probably damaging Het
Other mutations in Sptbn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00421:Sptbn2 APN 19 4,724,705 (GRCm38) missense possibly damaging 0.94
IGL00688:Sptbn2 APN 19 4,725,938 (GRCm38) missense probably damaging 1.00
IGL01339:Sptbn2 APN 19 4,745,972 (GRCm38) nonsense probably null
IGL01373:Sptbn2 APN 19 4,745,972 (GRCm38) nonsense probably null
IGL01420:Sptbn2 APN 19 4,734,125 (GRCm38) missense probably benign
IGL01456:Sptbn2 APN 19 4,746,749 (GRCm38) missense probably damaging 1.00
IGL01953:Sptbn2 APN 19 4,749,693 (GRCm38) missense probably benign
IGL03026:Sptbn2 APN 19 4,724,233 (GRCm38) critical splice donor site probably null
IGL03275:Sptbn2 APN 19 4,732,661 (GRCm38) missense possibly damaging 0.65
IGL03286:Sptbn2 APN 19 4,747,832 (GRCm38) missense probably damaging 0.97
F5770:Sptbn2 UTSW 19 4,750,632 (GRCm38) missense probably damaging 1.00
PIT4696001:Sptbn2 UTSW 19 4,745,577 (GRCm38) missense probably benign 0.00
R0046:Sptbn2 UTSW 19 4,745,377 (GRCm38) intron probably benign
R0046:Sptbn2 UTSW 19 4,745,377 (GRCm38) intron probably benign
R0121:Sptbn2 UTSW 19 4,745,293 (GRCm38) missense probably damaging 1.00
R0127:Sptbn2 UTSW 19 4,724,744 (GRCm38) missense probably damaging 1.00
R0212:Sptbn2 UTSW 19 4,746,942 (GRCm38) critical splice donor site probably null
R0277:Sptbn2 UTSW 19 4,745,145 (GRCm38) missense probably benign 0.28
R0417:Sptbn2 UTSW 19 4,737,926 (GRCm38) missense probably benign 0.01
R0457:Sptbn2 UTSW 19 4,745,938 (GRCm38) missense possibly damaging 0.89
R0536:Sptbn2 UTSW 19 4,726,690 (GRCm38) missense probably damaging 0.99
R0631:Sptbn2 UTSW 19 4,739,986 (GRCm38) missense probably benign 0.01
R0734:Sptbn2 UTSW 19 4,748,123 (GRCm38) nonsense probably null
R0742:Sptbn2 UTSW 19 4,718,983 (GRCm38) missense possibly damaging 0.46
R1195:Sptbn2 UTSW 19 4,745,893 (GRCm38) missense possibly damaging 0.85
R1195:Sptbn2 UTSW 19 4,745,893 (GRCm38) missense possibly damaging 0.85
R1195:Sptbn2 UTSW 19 4,745,893 (GRCm38) missense possibly damaging 0.85
R1364:Sptbn2 UTSW 19 4,732,665 (GRCm38) missense probably damaging 1.00
R1495:Sptbn2 UTSW 19 4,718,976 (GRCm38) missense possibly damaging 0.92
R1498:Sptbn2 UTSW 19 4,744,246 (GRCm38) missense possibly damaging 0.94
R1606:Sptbn2 UTSW 19 4,750,242 (GRCm38) critical splice donor site probably null
R1678:Sptbn2 UTSW 19 4,750,497 (GRCm38) missense probably damaging 1.00
R1746:Sptbn2 UTSW 19 4,745,964 (GRCm38) nonsense probably null
R1820:Sptbn2 UTSW 19 4,726,596 (GRCm38) missense probably damaging 0.98
R1830:Sptbn2 UTSW 19 4,732,541 (GRCm38) missense probably benign 0.09
R1863:Sptbn2 UTSW 19 4,732,685 (GRCm38) missense possibly damaging 0.54
R1967:Sptbn2 UTSW 19 4,745,299 (GRCm38) missense probably benign 0.00
R2085:Sptbn2 UTSW 19 4,738,559 (GRCm38) missense probably benign 0.09
R2301:Sptbn2 UTSW 19 4,734,138 (GRCm38) missense probably benign 0.00
R2310:Sptbn2 UTSW 19 4,718,935 (GRCm38) missense probably benign 0.19
R2888:Sptbn2 UTSW 19 4,748,636 (GRCm38) missense possibly damaging 0.52
R3788:Sptbn2 UTSW 19 4,745,922 (GRCm38) missense probably damaging 1.00
R4429:Sptbn2 UTSW 19 4,738,355 (GRCm38) missense probably damaging 1.00
R4536:Sptbn2 UTSW 19 4,732,602 (GRCm38) missense probably damaging 1.00
R4662:Sptbn2 UTSW 19 4,739,239 (GRCm38) missense probably damaging 1.00
R4672:Sptbn2 UTSW 19 4,732,496 (GRCm38) missense probably benign 0.25
R4731:Sptbn2 UTSW 19 4,742,480 (GRCm38) missense probably damaging 0.96
R4747:Sptbn2 UTSW 19 4,748,154 (GRCm38) missense probably benign 0.27
R4889:Sptbn2 UTSW 19 4,729,430 (GRCm38) missense possibly damaging 0.69
R4891:Sptbn2 UTSW 19 4,738,469 (GRCm38) missense probably damaging 1.00
R4965:Sptbn2 UTSW 19 4,729,309 (GRCm38) missense probably benign 0.13
R4968:Sptbn2 UTSW 19 4,729,202 (GRCm38) splice site probably null
R4981:Sptbn2 UTSW 19 4,751,658 (GRCm38) missense probably benign 0.22
R5159:Sptbn2 UTSW 19 4,737,857 (GRCm38) missense probably benign 0.12
R5202:Sptbn2 UTSW 19 4,724,184 (GRCm38) missense probably damaging 1.00
R5253:Sptbn2 UTSW 19 4,750,082 (GRCm38) missense probably benign 0.01
R5294:Sptbn2 UTSW 19 4,718,908 (GRCm38) missense possibly damaging 0.67
R5465:Sptbn2 UTSW 19 4,750,105 (GRCm38) missense probably benign 0.00
R5546:Sptbn2 UTSW 19 4,725,950 (GRCm38) missense probably damaging 1.00
R5593:Sptbn2 UTSW 19 4,748,947 (GRCm38) missense probably damaging 1.00
R5780:Sptbn2 UTSW 19 4,724,667 (GRCm38) missense probably damaging 1.00
R5835:Sptbn2 UTSW 19 4,738,219 (GRCm38) missense probably damaging 1.00
R6008:Sptbn2 UTSW 19 4,739,278 (GRCm38) missense possibly damaging 0.89
R6108:Sptbn2 UTSW 19 4,731,392 (GRCm38) critical splice donor site probably null
R6236:Sptbn2 UTSW 19 4,748,138 (GRCm38) missense probably benign 0.01
R6307:Sptbn2 UTSW 19 4,724,646 (GRCm38) missense probably damaging 1.00
R6383:Sptbn2 UTSW 19 4,732,496 (GRCm38) missense possibly damaging 0.89
R6397:Sptbn2 UTSW 19 4,742,418 (GRCm38) missense possibly damaging 0.91
R6453:Sptbn2 UTSW 19 4,744,180 (GRCm38) missense possibly damaging 0.67
R6561:Sptbn2 UTSW 19 4,747,926 (GRCm38) missense probably benign 0.39
R6564:Sptbn2 UTSW 19 4,732,024 (GRCm38) missense probably damaging 1.00
R6644:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R6703:Sptbn2 UTSW 19 4,749,815 (GRCm38) missense probably benign
R6703:Sptbn2 UTSW 19 4,749,814 (GRCm38) missense probably benign
R6753:Sptbn2 UTSW 19 4,747,785 (GRCm38) missense probably benign 0.01
R7007:Sptbn2 UTSW 19 4,744,145 (GRCm38) missense possibly damaging 0.82
R7219:Sptbn2 UTSW 19 4,724,173 (GRCm38) missense probably damaging 1.00
R7285:Sptbn2 UTSW 19 4,737,443 (GRCm38) missense probably benign 0.00
R7308:Sptbn2 UTSW 19 4,751,574 (GRCm38) missense probably benign
R7469:Sptbn2 UTSW 19 4,745,118 (GRCm38) missense probably benign 0.00
R7502:Sptbn2 UTSW 19 4,748,082 (GRCm38) missense probably benign 0.02
R7623:Sptbn2 UTSW 19 4,726,168 (GRCm38) missense probably damaging 1.00
R7635:Sptbn2 UTSW 19 4,744,207 (GRCm38) missense probably damaging 1.00
R7733:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7738:Sptbn2 UTSW 19 4,724,125 (GRCm38) missense probably damaging 1.00
R7742:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7767:Sptbn2 UTSW 19 4,734,143 (GRCm38) missense possibly damaging 0.62
R7795:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7796:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7871:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7877:Sptbn2 UTSW 19 4,744,262 (GRCm38) missense possibly damaging 0.93
R7920:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7921:Sptbn2 UTSW 19 4,749,012 (GRCm38) missense probably benign 0.05
R7923:Sptbn2 UTSW 19 4,746,799 (GRCm38) missense probably benign 0.01
R8137:Sptbn2 UTSW 19 4,737,403 (GRCm38) missense possibly damaging 0.81
R8305:Sptbn2 UTSW 19 4,729,130 (GRCm38) missense possibly damaging 0.81
R8695:Sptbn2 UTSW 19 4,746,696 (GRCm38) missense possibly damaging 0.86
R8790:Sptbn2 UTSW 19 4,732,024 (GRCm38) missense probably damaging 1.00
R9125:Sptbn2 UTSW 19 4,734,213 (GRCm38) missense probably benign 0.04
R9483:Sptbn2 UTSW 19 4,739,946 (GRCm38) missense probably damaging 1.00
R9620:Sptbn2 UTSW 19 4,750,507 (GRCm38) missense probably damaging 0.99
R9631:Sptbn2 UTSW 19 4,738,190 (GRCm38) missense probably damaging 1.00
R9646:Sptbn2 UTSW 19 4,745,313 (GRCm38) missense probably damaging 1.00
R9694:Sptbn2 UTSW 19 4,750,507 (GRCm38) missense probably damaging 0.99
V7580:Sptbn2 UTSW 19 4,750,632 (GRCm38) missense probably damaging 1.00
Z1176:Sptbn2 UTSW 19 4,745,191 (GRCm38) missense probably benign 0.01
Z1176:Sptbn2 UTSW 19 4,738,205 (GRCm38) 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