Incidental Mutation 'R4810:Sptb'
ID 371025
Institutional Source Beutler Lab
Gene Symbol Sptb
Ensembl Gene ENSMUSG00000021061
Gene Name spectrin beta, erythrocytic
Synonyms LOC383567, brain erythroid spectrin (235E), spectrin R, D330027P03Rik, Spnb-1, Spnb1
MMRRC Submission 042429-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R4810 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) A to T at 76669971 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Stop codon at position 452 (Y452*)
Ref Sequence ENSEMBL: ENSMUSP00000129782 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000166101]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000021458
AA Change: Y452*
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: Y452*

DomainStartEndE-ValueType
CH 56 156 2.73e-26 SMART
CH 175 273 4.57e-28 SMART
SPEC 305 411 2.71e0 SMART
SPEC 425 525 4.65e-23 SMART
SPEC 531 634 4.51e-21 SMART
SPEC 640 740 3.02e-31 SMART
SPEC 746 845 1.47e-20 SMART
SPEC 851 951 1.04e-20 SMART
SPEC 957 1058 7.22e-20 SMART
SPEC 1064 1165 2.06e-24 SMART
SPEC 1171 1271 3.84e-15 SMART
SPEC 1277 1376 2.22e-20 SMART
SPEC 1382 1475 5.04e-10 SMART
SPEC 1481 1581 3.58e-24 SMART
SPEC 1587 1687 4.11e-24 SMART
SPEC 1693 1794 2.91e-24 SMART
SPEC 1800 1900 7.8e-16 SMART
SPEC 1906 2006 3.16e-25 SMART
SPEC 2012 2193 4.32e-9 SMART
PH 2180 2291 8.98e-16 SMART
Predicted Effect probably null
Transcript: ENSMUST00000166101
AA Change: Y452*
SMART Domains Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: Y452*

DomainStartEndE-ValueType
CH 56 156 2.73e-26 SMART
CH 175 273 4.57e-28 SMART
SPEC 305 411 2.71e0 SMART
SPEC 425 525 4.65e-23 SMART
SPEC 531 634 4.51e-21 SMART
SPEC 640 740 3.02e-31 SMART
SPEC 746 845 1.47e-20 SMART
SPEC 851 951 1.04e-20 SMART
SPEC 957 1058 7.22e-20 SMART
SPEC 1064 1165 2.06e-24 SMART
SPEC 1171 1271 3.84e-15 SMART
SPEC 1277 1376 2.22e-20 SMART
SPEC 1382 1475 5.87e-11 SMART
SPEC 1481 1581 3.58e-24 SMART
SPEC 1587 1687 4.11e-24 SMART
SPEC 1693 1794 2.91e-24 SMART
SPEC 1800 1900 7.8e-16 SMART
SPEC 1906 2006 3.16e-25 SMART
SPEC 2012 2117 1.16e-9 SMART
Meta Mutation Damage Score 0.9755 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.1%
Validation Efficiency 99% (93/94)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This locus encodes a member of the spectrin gene family. Spectrin proteins, along with ankyrin, play a role in cell membrane organization and stability. The protein encoded by this locus functions in stability of erythrocyte membranes, and mutations in this gene have been associated with spherocytosis type 2, hereditary elliptocytosis, and neonatal hemolytic anemia. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2009]
PHENOTYPE: Homozygotes for a spontaneous mutation exhibit a severe microcytic anemia with erythrocyte fragility, hepatomegaly, and jaundice. Mutants die within a few days of birth. Heterozygotes are mildly anemic. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 89 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik T C 12: 71,236,216 (GRCm39) V1189A possibly damaging Het
A3galt2 T C 4: 128,649,356 (GRCm39) probably null Het
Abca12 T C 1: 71,342,771 (GRCm39) D903G probably benign Het
Abcc12 T C 8: 87,287,471 (GRCm39) M125V probably damaging Het
Adad1 A G 3: 37,146,183 (GRCm39) N517S probably damaging Het
Ankrd44 A G 1: 54,774,302 (GRCm39) probably benign Het
Armc7 A G 11: 115,379,787 (GRCm39) I162V probably benign Het
Art3 T A 5: 92,562,108 (GRCm39) V343D possibly damaging Het
Bcl9l A G 9: 44,419,650 (GRCm39) T1106A probably damaging Het
Ccdc141 T C 2: 76,876,099 (GRCm39) N644D possibly damaging Het
Ccdc154 T C 17: 25,382,472 (GRCm39) L98S probably damaging Het
Ccne1 A G 7: 37,799,018 (GRCm39) W237R probably damaging Het
Cd33 T C 7: 43,182,134 (GRCm39) I104V probably damaging Het
Ceacam1 A T 7: 25,173,945 (GRCm39) *237K probably null Het
Ces1e T A 8: 93,935,259 (GRCm39) I398F probably benign Het
Cfap44 T C 16: 44,271,898 (GRCm39) I1217T probably damaging Het
Clns1a T C 7: 97,363,224 (GRCm39) S199P probably benign Het
Cntn4 C A 6: 106,632,572 (GRCm39) T532K probably benign Het
Col11a2 C T 17: 34,276,086 (GRCm39) S470L probably damaging Het
Cst5 A T 2: 149,247,463 (GRCm39) R60* probably null Het
Cxcr6 A T 9: 123,639,227 (GRCm39) D83V probably damaging Het
Dis3l2 T C 1: 86,975,296 (GRCm39) V774A probably damaging Het
Dusp15 A G 2: 152,787,374 (GRCm39) L79P probably damaging Het
Elapor1 T A 3: 108,377,327 (GRCm39) probably benign Het
Eml6 A T 11: 29,705,011 (GRCm39) V1511E possibly damaging Het
Epha5 C T 5: 84,253,750 (GRCm39) D548N possibly damaging Het
Fam227b A G 2: 125,829,859 (GRCm39) F450L probably benign Het
Fam91a1 T A 15: 58,306,589 (GRCm39) L452Q probably damaging Het
Fbxo44 T C 4: 148,240,903 (GRCm39) Y199C probably damaging Het
Fgd3 A G 13: 49,443,126 (GRCm39) S149P probably benign Het
Gabra4 T C 5: 71,781,325 (GRCm39) E362G probably damaging Het
Galnt14 T C 17: 73,819,116 (GRCm39) I325V probably damaging Het
Gas2l3 CACTCGTCATACT CACT 10: 89,266,820 (GRCm39) probably benign Het
Gm10088 G T 16: 18,847,081 (GRCm39) noncoding transcript Het
Grik5 T C 7: 24,714,922 (GRCm39) N691D probably damaging Het
Grm1 C G 10: 10,658,438 (GRCm39) D351H probably damaging Het
Grm8 T C 6: 27,761,295 (GRCm39) S310G possibly damaging Het
Gtf2h2 A G 13: 100,617,510 (GRCm39) probably null Het
Hhex G T 19: 37,428,103 (GRCm39) L49F probably damaging Het
Hkdc1 T A 10: 62,247,304 (GRCm39) R159S probably benign Het
Iqcm A G 8: 76,615,281 (GRCm39) Y454C probably damaging Het
Kcnh8 G A 17: 53,212,248 (GRCm39) probably null Het
Larp4b A G 13: 9,208,627 (GRCm39) T427A probably benign Het
Mtmr3 A T 11: 4,448,046 (GRCm39) N297K probably benign Het
Nek8 G A 11: 78,058,629 (GRCm39) T557I probably benign Het
Nlrp9c A C 7: 26,077,602 (GRCm39) probably null Het
Nmrk1 T A 19: 18,617,273 (GRCm39) D48E probably benign Het
Npepps G A 11: 97,131,759 (GRCm39) T365I probably damaging Het
Obscn G A 11: 58,922,417 (GRCm39) T5921M possibly damaging Het
Or8b44 C A 9: 38,410,620 (GRCm39) Y218* probably null Het
Or8c9 A G 9: 38,241,690 (GRCm39) E269G probably benign Het
Otud7b C T 3: 96,043,918 (GRCm39) A23V probably damaging Het
Pcdhga9 G A 18: 37,871,601 (GRCm39) A477T possibly damaging Het
Plekha7 A T 7: 115,744,173 (GRCm39) I663N probably damaging Het
Plscr1l1 A G 9: 92,236,683 (GRCm39) D190G probably damaging Het
Polk A T 13: 96,620,003 (GRCm39) S732R possibly damaging Het
Ppfia2 A G 10: 106,751,551 (GRCm39) I1166V probably benign Het
Ppp2r5a C T 1: 191,088,589 (GRCm39) probably benign Het
Prkaa2 T C 4: 104,897,011 (GRCm39) K401E probably damaging Het
Ptpn23 A G 9: 110,218,204 (GRCm39) Y611H possibly damaging Het
Rab31 C T 17: 66,028,998 (GRCm39) probably null Het
Rad51ap2 T A 12: 11,507,406 (GRCm39) C443S probably damaging Het
Ralgapa1 A G 12: 55,841,778 (GRCm39) probably null Het
Rev3l T C 10: 39,699,721 (GRCm39) L1406P probably benign Het
Rnaset2b T A 17: 7,259,167 (GRCm39) D48E probably benign Het
Rnf13 G T 3: 57,703,693 (GRCm39) M105I probably damaging Het
Rnf150 T C 8: 83,716,991 (GRCm39) V166A possibly damaging Het
Rps6kc1 C A 1: 190,541,160 (GRCm39) R381L probably damaging Het
Rspo2 C T 15: 43,033,216 (GRCm39) R2H probably benign Het
Septin8 A G 11: 53,425,416 (GRCm39) D103G probably damaging Het
Sirt4 A G 5: 115,618,508 (GRCm39) W189R probably damaging Het
Slco6d1 T C 1: 98,350,979 (GRCm39) V110A possibly damaging Het
Sncaip C A 18: 53,040,271 (GRCm39) Q822K possibly damaging Het
Spg11 A C 2: 121,890,277 (GRCm39) F2070V probably damaging Het
Srsf4 C T 4: 131,627,413 (GRCm39) probably benign Het
Tead1 C A 7: 112,441,073 (GRCm39) probably null Het
Tmem156 G T 5: 65,248,790 (GRCm39) probably benign Het
Tmem169 A G 1: 72,337,311 (GRCm39) D82G probably benign Het
Tmem260 A G 14: 48,709,930 (GRCm39) E51G probably damaging Het
Trim36 G T 18: 46,305,536 (GRCm39) N470K probably benign Het
Trps1 T A 15: 50,685,692 (GRCm39) T158S probably benign Het
Ube2c A G 2: 164,614,482 (GRCm39) *180W probably null Het
Ube2i T C 17: 25,484,121 (GRCm39) D45G probably benign Het
Uggt2 A C 14: 119,250,933 (GRCm39) L1188R probably damaging Het
Uroc1 T C 6: 90,340,135 (GRCm39) I680T probably damaging Het
Vmn2r2 T A 3: 64,044,883 (GRCm39) M88L probably damaging Het
Zfp248 G A 6: 118,406,807 (GRCm39) R261C possibly damaging Het
Zfp418 G T 7: 7,185,846 (GRCm39) R603L possibly damaging Het
Zmpste24 T A 4: 120,918,251 (GRCm39) Y457F probably damaging Het
Other mutations in Sptb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00159:Sptb APN 12 76,668,105 (GRCm39) missense probably benign 0.00
IGL00160:Sptb APN 12 76,669,943 (GRCm39) missense probably damaging 1.00
IGL00229:Sptb APN 12 76,667,527 (GRCm39) missense probably benign 0.20
IGL00820:Sptb APN 12 76,679,251 (GRCm39) missense probably damaging 1.00
IGL01309:Sptb APN 12 76,634,237 (GRCm39) missense probably benign 0.16
IGL01408:Sptb APN 12 76,659,921 (GRCm39) missense possibly damaging 0.93
IGL01450:Sptb APN 12 76,671,014 (GRCm39) missense possibly damaging 0.89
IGL01455:Sptb APN 12 76,659,686 (GRCm39) missense probably damaging 1.00
IGL01457:Sptb APN 12 76,659,329 (GRCm39) splice site probably benign
IGL01680:Sptb APN 12 76,677,456 (GRCm39) missense probably damaging 1.00
IGL02070:Sptb APN 12 76,652,313 (GRCm39) missense possibly damaging 0.82
IGL02346:Sptb APN 12 76,667,788 (GRCm39) missense probably damaging 1.00
IGL02452:Sptb APN 12 76,655,810 (GRCm39) critical splice donor site probably null
IGL02515:Sptb APN 12 76,653,261 (GRCm39) missense possibly damaging 0.51
IGL02545:Sptb APN 12 76,654,754 (GRCm39) critical splice donor site probably null
IGL02644:Sptb APN 12 76,652,391 (GRCm39) missense probably damaging 1.00
IGL02878:Sptb APN 12 76,667,527 (GRCm39) missense probably benign 0.20
IGL03007:Sptb APN 12 76,668,115 (GRCm39) missense probably damaging 1.00
IGL03220:Sptb APN 12 76,659,684 (GRCm39) missense probably benign 0.06
IGL03343:Sptb APN 12 76,630,330 (GRCm39) unclassified probably benign
IGL03098:Sptb UTSW 12 76,668,273 (GRCm39) missense probably damaging 1.00
PIT4472001:Sptb UTSW 12 76,667,460 (GRCm39) missense probably damaging 1.00
R0047:Sptb UTSW 12 76,669,724 (GRCm39) missense probably damaging 0.99
R0365:Sptb UTSW 12 76,647,157 (GRCm39) missense probably benign 0.12
R0373:Sptb UTSW 12 76,668,145 (GRCm39) missense probably benign 0.03
R0704:Sptb UTSW 12 76,630,368 (GRCm39) missense probably damaging 0.99
R1005:Sptb UTSW 12 76,648,633 (GRCm39) critical splice donor site probably null
R1109:Sptb UTSW 12 76,650,377 (GRCm39) missense probably damaging 1.00
R1264:Sptb UTSW 12 76,659,381 (GRCm39) missense probably damaging 1.00
R1358:Sptb UTSW 12 76,668,100 (GRCm39) missense probably damaging 1.00
R1358:Sptb UTSW 12 76,668,095 (GRCm39) frame shift probably null
R1459:Sptb UTSW 12 76,658,657 (GRCm39) missense probably benign 0.01
R1518:Sptb UTSW 12 76,650,798 (GRCm39) missense possibly damaging 0.95
R1628:Sptb UTSW 12 76,630,622 (GRCm39) missense probably damaging 1.00
R1668:Sptb UTSW 12 76,667,943 (GRCm39) missense probably benign
R1677:Sptb UTSW 12 76,676,423 (GRCm39) missense probably damaging 1.00
R1687:Sptb UTSW 12 76,650,473 (GRCm39) missense possibly damaging 0.95
R1695:Sptb UTSW 12 76,667,641 (GRCm39) missense probably benign 0.10
R1708:Sptb UTSW 12 76,659,348 (GRCm39) missense probably damaging 1.00
R1761:Sptb UTSW 12 76,659,382 (GRCm39) missense probably damaging 0.96
R1925:Sptb UTSW 12 76,669,027 (GRCm39) missense probably damaging 1.00
R2011:Sptb UTSW 12 76,679,246 (GRCm39) missense possibly damaging 0.95
R2373:Sptb UTSW 12 76,667,935 (GRCm39) missense probably damaging 1.00
R2517:Sptb UTSW 12 76,696,643 (GRCm39) missense possibly damaging 0.55
R2918:Sptb UTSW 12 76,645,532 (GRCm39) missense probably damaging 0.97
R2961:Sptb UTSW 12 76,650,356 (GRCm39) missense probably benign 0.19
R3409:Sptb UTSW 12 76,657,589 (GRCm39) missense possibly damaging 0.78
R3410:Sptb UTSW 12 76,657,589 (GRCm39) missense possibly damaging 0.78
R3411:Sptb UTSW 12 76,657,589 (GRCm39) missense possibly damaging 0.78
R3744:Sptb UTSW 12 76,647,174 (GRCm39) missense probably benign
R4112:Sptb UTSW 12 76,644,553 (GRCm39) missense probably damaging 0.99
R4177:Sptb UTSW 12 76,659,953 (GRCm39) missense probably benign 0.25
R4194:Sptb UTSW 12 76,659,784 (GRCm39) missense probably benign 0.44
R4301:Sptb UTSW 12 76,659,471 (GRCm39) missense probably damaging 1.00
R4555:Sptb UTSW 12 76,659,625 (GRCm39) missense probably benign 0.03
R4619:Sptb UTSW 12 76,630,581 (GRCm39) nonsense probably null
R4620:Sptb UTSW 12 76,630,581 (GRCm39) nonsense probably null
R4625:Sptb UTSW 12 76,634,100 (GRCm39) splice site probably null
R4728:Sptb UTSW 12 76,630,153 (GRCm39) missense probably benign 0.00
R4751:Sptb UTSW 12 76,673,884 (GRCm39) missense probably benign 0.07
R4888:Sptb UTSW 12 76,655,811 (GRCm39) missense probably benign 0.00
R4894:Sptb UTSW 12 76,671,768 (GRCm39) critical splice donor site probably null
R5114:Sptb UTSW 12 76,656,052 (GRCm39) missense probably damaging 1.00
R5191:Sptb UTSW 12 76,659,608 (GRCm39) missense probably benign 0.12
R5479:Sptb UTSW 12 76,646,625 (GRCm39) missense probably benign 0.04
R5646:Sptb UTSW 12 76,634,215 (GRCm39) missense probably benign
R5725:Sptb UTSW 12 76,669,888 (GRCm39) missense probably benign 0.25
R5727:Sptb UTSW 12 76,669,888 (GRCm39) missense probably benign 0.25
R5797:Sptb UTSW 12 76,650,473 (GRCm39) missense possibly damaging 0.95
R5874:Sptb UTSW 12 76,645,501 (GRCm39) missense possibly damaging 0.91
R5952:Sptb UTSW 12 76,679,158 (GRCm39) missense probably benign 0.02
R5956:Sptb UTSW 12 76,650,942 (GRCm39) missense probably benign
R6298:Sptb UTSW 12 76,667,428 (GRCm39) critical splice donor site probably null
R6470:Sptb UTSW 12 76,659,603 (GRCm39) missense probably damaging 1.00
R6477:Sptb UTSW 12 76,653,166 (GRCm39) missense probably damaging 1.00
R6736:Sptb UTSW 12 76,659,954 (GRCm39) missense possibly damaging 0.49
R6854:Sptb UTSW 12 76,650,254 (GRCm39) missense probably damaging 1.00
R6969:Sptb UTSW 12 76,654,781 (GRCm39) missense probably damaging 1.00
R6987:Sptb UTSW 12 76,660,021 (GRCm39) missense probably benign 0.00
R7023:Sptb UTSW 12 76,671,862 (GRCm39) missense probably damaging 1.00
R7366:Sptb UTSW 12 76,650,968 (GRCm39) missense probably damaging 1.00
R7379:Sptb UTSW 12 76,657,651 (GRCm39) missense probably damaging 1.00
R7389:Sptb UTSW 12 76,671,003 (GRCm39) missense probably damaging 0.98
R7392:Sptb UTSW 12 76,671,003 (GRCm39) missense probably damaging 0.98
R7477:Sptb UTSW 12 76,675,339 (GRCm39) missense probably damaging 1.00
R7653:Sptb UTSW 12 76,675,271 (GRCm39) missense probably benign 0.06
R7684:Sptb UTSW 12 76,658,969 (GRCm39) missense probably benign 0.06
R7733:Sptb UTSW 12 76,644,695 (GRCm39) splice site probably null
R7846:Sptb UTSW 12 76,655,300 (GRCm39) nonsense probably null
R8048:Sptb UTSW 12 76,675,333 (GRCm39) missense probably benign 0.02
R8261:Sptb UTSW 12 76,668,036 (GRCm39) missense probably benign 0.06
R8324:Sptb UTSW 12 76,665,936 (GRCm39) missense possibly damaging 0.73
R8512:Sptb UTSW 12 76,648,826 (GRCm39) missense possibly damaging 0.51
R8515:Sptb UTSW 12 76,658,815 (GRCm39) missense probably benign 0.10
R8558:Sptb UTSW 12 76,659,561 (GRCm39) missense probably benign 0.09
R8872:Sptb UTSW 12 76,658,813 (GRCm39) missense probably benign 0.37
R8907:Sptb UTSW 12 76,634,186 (GRCm39) missense probably benign 0.16
R9047:Sptb UTSW 12 76,679,308 (GRCm39) splice site probably benign
R9079:Sptb UTSW 12 76,677,454 (GRCm39) missense probably damaging 1.00
R9166:Sptb UTSW 12 76,673,776 (GRCm39) missense probably damaging 0.96
R9381:Sptb UTSW 12 76,634,292 (GRCm39) missense probably benign
R9601:Sptb UTSW 12 76,667,763 (GRCm39) missense probably damaging 1.00
R9680:Sptb UTSW 12 76,677,489 (GRCm39) missense probably damaging 1.00
R9771:Sptb UTSW 12 76,650,353 (GRCm39) missense probably damaging 1.00
X0057:Sptb UTSW 12 76,677,513 (GRCm39) missense probably benign
Z1176:Sptb UTSW 12 76,667,507 (GRCm39) nonsense probably null
Z1177:Sptb UTSW 12 76,653,219 (GRCm39) missense probably benign 0.22
Z1177:Sptb UTSW 12 76,630,358 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GAAAGAGTTTCTGCAGTGCCAG -3'
(R):5'- GTTCTGATTCGACAGGCAGC -3'

Sequencing Primer
(F):5'- TGCAGGTAGCTCCACAGAC -3'
(R):5'- TTCGACAGGCAGCAGAGATAACTC -3'
Posted On 2016-02-04