Incidental Mutation 'R9680:Sptb'
ID 728507
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
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R9680 (G1)
Quality Score 225.009
Status Not validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 76677489 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 115 (N115S)
Ref Sequence ENSEMBL: ENSMUSP00000021458 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000166101]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000021458
AA Change: N115S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: N115S

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 damaging
Transcript: ENSMUST00000166101
AA Change: N115S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: N115S

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam25 T A 8: 41,208,239 (GRCm39) Y502N probably damaging Het
Adam6a T A 12: 113,509,484 (GRCm39) L619* probably null Het
Akap9 A T 5: 4,011,587 (GRCm39) R763S probably benign Het
Akt3 G A 1: 176,958,639 (GRCm39) P24S probably damaging Het
Ano2 A T 6: 125,857,382 (GRCm39) probably null Het
B4galnt4 G A 7: 140,647,957 (GRCm39) R491Q possibly damaging Het
Bahcc1 A G 11: 120,163,286 (GRCm39) D528G possibly damaging Het
Camk1g G T 1: 193,030,483 (GRCm39) Q409K probably benign Het
Cdh3 T A 8: 107,274,396 (GRCm39) N638K probably benign Het
Cgnl1 T A 9: 71,562,632 (GRCm39) E882D possibly damaging Het
Cplane1 A G 15: 8,231,785 (GRCm39) N1077S possibly damaging Het
Cpxm2 C T 7: 131,661,651 (GRCm39) E379K probably damaging Het
Cyp3a16 A G 5: 145,389,690 (GRCm39) L225P probably damaging Het
Dchs1 T C 7: 105,411,625 (GRCm39) E1497G probably damaging Het
Denr T A 5: 124,065,117 (GRCm39) S157T possibly damaging Het
Disp3 A G 4: 148,356,101 (GRCm39) I253T probably damaging Het
Dlgap2 C T 8: 14,896,653 (GRCm39) T1043M probably damaging Het
Epb41l5 T C 1: 119,535,804 (GRCm39) T355A probably damaging Het
Etv6 G A 6: 134,013,062 (GRCm39) probably benign Het
Fbn1 T C 2: 125,310,484 (GRCm39) I141V probably benign Het
Fsip2 T G 2: 82,819,272 (GRCm39) S5002A probably benign Het
Gbf1 T G 19: 46,271,837 (GRCm39) V1576G probably damaging Het
Gmfg T A 7: 28,140,733 (GRCm39) probably null Het
Gsdmc4 T C 15: 63,774,706 (GRCm39) E25G possibly damaging Het
Igkv6-23 A T 6: 70,237,884 (GRCm39) L12M possibly damaging Het
Kank1 G A 19: 25,388,138 (GRCm39) V604M probably damaging Het
Kctd1 A G 18: 15,140,822 (GRCm39) V40A probably damaging Het
Krt222 T C 11: 99,127,065 (GRCm39) K185R possibly damaging Het
Ldc1 A G 4: 130,115,527 (GRCm39) V7A probably benign Het
Lipm T C 19: 34,089,494 (GRCm39) F151L probably damaging Het
Lrrc2 A T 9: 110,791,710 (GRCm39) N154I probably damaging Het
Map1a T A 2: 121,132,865 (GRCm39) M1227K probably damaging Het
Med1 T C 11: 98,071,114 (GRCm39) T78A probably damaging Het
Mrm1 A G 11: 84,710,144 (GRCm39) S19P possibly damaging Het
Naf1 GCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAACTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAACTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAACTCGGATCCCGGCGGAAGACCACCGCCGCCGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCCGCCAGCCCCGAACTGGGATGCGGGCGGAAGACCACCACCGCCGCCAGCCCCGAACTCGGATCCCGGCGGAAGACC GCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAACTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCTGCCAGCCCCGAACTCGGATCCCGGCGGAAGACCACCGCCGCCGCCAGCCCCGAGCTCGGATCCCGGCGGAAGACCACCGCCGCCGCCAGCCCCGAACTGGGATGCGGGCGGAAGACCACCACCGCCGCCAGCCCCGAACTCGGATCCCGGCGGAAGACC 8: 67,313,200 (GRCm39) probably benign Het
Nap1l1 A G 10: 111,330,657 (GRCm39) Y354C probably damaging Het
Npr1 A G 3: 90,368,448 (GRCm39) V474A probably benign Het
Nyap1 A T 5: 137,733,840 (GRCm39) S398T probably damaging Het
Obox7 C T 7: 14,398,067 (GRCm39) Q36* probably null Het
Or5aq6 A T 2: 86,923,390 (GRCm39) M117K possibly damaging Het
Or6c8 A T 10: 128,915,358 (GRCm39) I158N probably benign Het
P3h1 T A 4: 119,090,428 (GRCm39) L92H probably benign Het
Pappa2 T C 1: 158,609,818 (GRCm39) T1548A possibly damaging Het
Pnisr A G 4: 21,873,586 (GRCm39) E443G probably damaging Het
Prdm2 A G 4: 142,859,079 (GRCm39) S1404P possibly damaging Het
Prom1 A T 5: 44,190,284 (GRCm39) probably null Het
Rbm27 A T 18: 42,455,186 (GRCm39) Q646H probably damaging Het
Scamp3 C T 3: 89,087,561 (GRCm39) R134* probably null Het
Scrt2 T C 2: 151,924,018 (GRCm39) C17R probably benign Het
Setbp1 A G 18: 78,902,498 (GRCm39) S390P probably benign Het
Shank2 A T 7: 143,964,837 (GRCm39) D815V probably damaging Het
Sirt7 G A 11: 120,511,296 (GRCm39) T285M Het
Sis T G 3: 72,863,621 (GRCm39) S206R probably benign Het
Slc24a4 T G 12: 102,193,334 (GRCm39) D206E possibly damaging Het
Slc26a4 C A 12: 31,585,292 (GRCm39) G501C probably damaging Het
Srprb T C 9: 103,074,807 (GRCm39) T112A possibly damaging Het
Tbk1 G T 10: 121,389,841 (GRCm39) A537E probably benign Het
Tbx19 T A 1: 164,970,067 (GRCm39) H274L probably damaging Het
Tmem130 A G 5: 144,674,233 (GRCm39) S394P probably damaging Het
Tmem40 A G 6: 115,718,517 (GRCm39) S104P possibly damaging Het
Tmprss2 T A 16: 97,379,826 (GRCm39) Q158L probably damaging Het
Tnip1 A T 11: 54,828,876 (GRCm39) V97D possibly damaging Het
Tpr T A 1: 150,314,887 (GRCm39) S1985T probably benign Het
Traf7 CA CAA 17: 24,746,737 (GRCm39) probably benign Het
Trio G T 15: 27,744,158 (GRCm39) N2591K possibly damaging Het
Ushbp1 A T 8: 71,838,573 (GRCm39) C618S possibly damaging Het
Usp34 A G 11: 23,317,385 (GRCm39) S834G possibly damaging Het
Vmn2r103 C A 17: 20,019,525 (GRCm39) C536* probably null Het
Vmn2r124 T A 17: 18,293,758 (GRCm39) V615D probably damaging Het
Zbtb38 G A 9: 96,570,397 (GRCm39) T229I probably benign Het
Zfhx4 T A 3: 5,465,656 (GRCm39) V1963E probably damaging Het
Zfp142 G A 1: 74,610,933 (GRCm39) T954M probably benign Het
Zgrf1 A G 3: 127,409,216 (GRCm39) Y1730C probably benign 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
R4810:Sptb UTSW 12 76,669,971 (GRCm39) nonsense probably null
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
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'- CTAGCTTCCCTAGATGCACAC -3'
(R):5'- TCAGGAGTGACTGTGGAAAC -3'

Sequencing Primer
(F):5'- CACCATGTTGTAAGGTCGTCAGC -3'
(R):5'- TGACTGTGGAAACTGAAGGTTG -3'
Posted On 2022-10-06