Incidental Mutation 'R0046:Sptbn2'
ID 15822
Institutional Source Beutler Lab
Gene Symbol Sptbn2
Ensembl Gene ENSMUSG00000067889
Gene Name spectrin beta, non-erythrocytic 2
Synonyms Spnb3
MMRRC Submission 038340-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0046 (G1)
Quality Score
Status Validated
Chromosome 19
Chromosomal Location 4761195-4802388 bp(+) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) T to C at 4795405 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000136599 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000008991] [ENSMUST00000178353]
AlphaFold Q68FG2
Predicted Effect probably benign
Transcript: ENSMUST00000008991
SMART Domains Protein: ENSMUSP00000008991
Gene: ENSMUSG00000067889

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: 89.2%
  • 3x: 86.2%
  • 10x: 78.3%
  • 20x: 64.0%
Validation Efficiency 98% (86/88)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actl7a A T 4: 56,743,877 (GRCm39) K135* probably null Het
Adamts16 A G 13: 70,911,579 (GRCm39) S871P probably benign Het
Adcy10 A T 1: 165,367,403 (GRCm39) I558F probably damaging Het
Adsl T G 15: 80,846,989 (GRCm39) probably null Het
Aldob T C 4: 49,543,842 (GRCm39) I47V possibly damaging Het
Alkbh8 A G 9: 3,343,247 (GRCm39) E46G probably damaging Het
Atp1a4 A T 1: 172,067,664 (GRCm39) L533Q probably benign Het
Auts2 T C 5: 131,799,624 (GRCm39) noncoding transcript Het
B3gnt3 T C 8: 72,145,567 (GRCm39) Y267C probably damaging Het
Ccdc39 A G 3: 33,898,301 (GRCm39) F15L possibly damaging Het
Cntnap5c T G 17: 58,666,295 (GRCm39) D1108E probably benign Het
Col14a1 G A 15: 55,272,359 (GRCm39) probably benign Het
Col9a3 G A 2: 180,251,280 (GRCm39) A317T possibly damaging Het
Cpt1c A T 7: 44,609,256 (GRCm39) probably benign Het
Cpt2 A G 4: 107,761,559 (GRCm39) probably null Het
Crebrf T A 17: 26,982,308 (GRCm39) L565M probably damaging Het
Dmxl1 T A 18: 50,011,149 (GRCm39) V1102E probably benign Het
Dock4 G A 12: 40,787,359 (GRCm39) probably benign Het
Dpp3 G T 19: 4,964,671 (GRCm39) N545K probably damaging Het
Elmo2 T A 2: 165,140,646 (GRCm39) N275I probably damaging Het
Farp1 A G 14: 121,492,925 (GRCm39) K509R probably benign Het
Flg T A 3: 93,185,028 (GRCm39) probably benign Het
Gas2l2 A T 11: 83,312,736 (GRCm39) W859R probably damaging Het
Gatm T C 2: 122,431,225 (GRCm39) D254G probably damaging Het
Gjd4 T A 18: 9,280,998 (GRCm39) I27F probably damaging Het
Gm19410 A G 8: 36,269,799 (GRCm39) E1148G probably benign Het
Haus5 C T 7: 30,353,605 (GRCm39) V591I probably benign Het
Kcnab3 G A 11: 69,221,053 (GRCm39) probably null Het
Limk1 T C 5: 134,701,615 (GRCm39) Y96C probably damaging Het
Lrp2bp T A 8: 46,466,192 (GRCm39) Y100* probably null Het
Ly75 A T 2: 60,169,801 (GRCm39) probably benign Het
Mamstr T G 7: 45,291,194 (GRCm39) probably benign Het
Man1a A G 10: 53,795,283 (GRCm39) Y657H probably damaging Het
Marf1 G A 16: 13,929,591 (GRCm39) P1672S possibly damaging Het
Mboat7 T C 7: 3,686,817 (GRCm39) Y341C probably damaging Het
Nhsl1 A T 10: 18,401,417 (GRCm39) N881I probably damaging Het
Nox3 T C 17: 3,733,236 (GRCm39) Y225C probably benign Het
Or4c109 C T 2: 88,817,693 (GRCm39) M284I probably benign Het
Or4c35 C T 2: 89,808,851 (GRCm39) T243I probably damaging Het
Pclo C T 5: 14,590,493 (GRCm39) T931M unknown Het
Pfas G T 11: 68,881,293 (GRCm39) R1025S probably benign Het
Prg4 T C 1: 150,331,837 (GRCm39) T279A possibly damaging Het
Psma1 A T 7: 113,866,440 (GRCm39) probably benign Het
Rab11fip1 A G 8: 27,643,149 (GRCm39) L550P probably damaging Het
Rgs12 T A 5: 35,122,664 (GRCm39) I149N probably damaging Het
Rmnd5a T C 6: 71,376,215 (GRCm39) H195R probably damaging Het
Rnf17 T C 14: 56,708,830 (GRCm39) L750P probably damaging Het
Rtcb T C 10: 85,793,520 (GRCm39) N18D probably benign Het
Seh1l T C 18: 67,925,086 (GRCm39) probably null Het
Stag3 C T 5: 138,281,285 (GRCm39) probably benign Het
Taar2 G A 10: 23,817,393 (GRCm39) R311H probably benign Het
Taok3 C T 5: 117,410,294 (GRCm39) Q829* probably null Het
Tsbp1 T C 17: 34,679,095 (GRCm39) probably null Het
Ttn A G 2: 76,781,886 (GRCm39) probably benign Het
Unc79 A G 12: 103,091,940 (GRCm39) E1756G probably damaging Het
Usp35 A T 7: 96,962,804 (GRCm39) probably null Het
Zbtb40 A G 4: 136,714,589 (GRCm39) C1067R 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
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
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
Posted On 2013-01-08