Incidental Mutation 'R1628:Sptb'
ID 172633
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 039665-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R1628 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 76630622 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 2231 (Y2231H)
Ref Sequence ENSEMBL: ENSMUSP00000021458 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000075249]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000021458
AA Change: Y2231H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: Y2231H

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 benign
Transcript: ENSMUST00000075249
SMART Domains Protein: ENSMUSP00000074729
Gene: ENSMUSG00000052609

DomainStartEndE-ValueType
low complexity region 18 34 N/A INTRINSIC
RhoGEF 97 271 6.67e-51 SMART
PH 297 396 2.48e-9 SMART
coiled coil region 515 552 N/A INTRINSIC
low complexity region 563 585 N/A INTRINSIC
low complexity region 696 710 N/A INTRINSIC
low complexity region 727 737 N/A INTRINSIC
low complexity region 753 766 N/A INTRINSIC
low complexity region 978 993 N/A INTRINSIC
low complexity region 1233 1246 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000170532
Predicted Effect noncoding transcript
Transcript: ENSMUST00000218427
Predicted Effect noncoding transcript
Transcript: ENSMUST00000219426
Meta Mutation Damage Score 0.2570 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.0%
  • 20x: 91.7%
Validation Efficiency 99% (75/76)
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: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcg8 C T 17: 84,999,419 (GRCm39) Q172* probably null Het
AI467606 G A 7: 126,691,755 (GRCm39) G110D probably benign Het
Arhgef15 A C 11: 68,835,640 (GRCm39) L805R possibly damaging Het
B3galnt1 G A 3: 69,482,961 (GRCm39) T100I probably damaging Het
Bod1l T A 5: 41,974,325 (GRCm39) M2330L probably benign Het
Calcr A T 6: 3,700,251 (GRCm39) H280Q possibly damaging Het
Camk1d T C 2: 5,315,848 (GRCm39) D263G probably damaging Het
Cd48 T A 1: 171,532,420 (GRCm39) I233N probably damaging Het
Cyp3a25 A T 5: 145,938,273 (GRCm39) Y68* probably null Het
Dapk3 C A 10: 81,027,643 (GRCm39) T227K possibly damaging Het
Dnajc22 A G 15: 98,998,817 (GRCm39) M1V probably null Het
Etv5 C T 16: 22,220,421 (GRCm39) probably null Het
Gabrr1 A G 4: 33,152,432 (GRCm39) Y124C probably damaging Het
Gba2 C T 4: 43,570,118 (GRCm39) R392Q probably benign Het
Gli3 C G 13: 15,900,897 (GRCm39) A1428G probably benign Het
Gls G A 1: 52,271,835 (GRCm39) A106V probably benign Het
Gm21370 A G 13: 120,488,414 (GRCm39) V45A possibly damaging Het
Gpr4 A G 7: 18,957,124 (GRCm39) T349A probably benign Het
Gpr6 C T 10: 40,947,544 (GRCm39) V13M possibly damaging Het
Gvin3 A T 7: 106,202,476 (GRCm39) L256* probably null Het
Hectd3 A G 4: 116,854,589 (GRCm39) H345R probably damaging Het
Igfl3 A T 7: 17,914,232 (GRCm39) K135N probably benign Het
Il23r A G 6: 67,400,593 (GRCm39) L579S probably damaging Het
Itsn2 A C 12: 4,679,652 (GRCm39) M154L probably benign Het
Junb T A 8: 85,705,039 (GRCm39) Q7L possibly damaging Het
Kif21b T A 1: 136,098,958 (GRCm39) H1415Q probably benign Het
Kirrel1 C T 3: 86,996,458 (GRCm39) M380I probably null Het
Klhdc10 T G 6: 30,444,461 (GRCm39) F79L probably damaging Het
Klk1b8 A G 7: 43,603,565 (GRCm39) probably null Het
Lmbrd2 T A 15: 9,182,593 (GRCm39) N509K probably damaging Het
Mctp2 A G 7: 71,861,337 (GRCm39) probably null Het
Myo3b A G 2: 70,117,306 (GRCm39) N913S probably benign Het
N4bp2 G A 5: 65,960,915 (GRCm39) probably null Het
Nt5c1a A G 4: 123,102,284 (GRCm39) E70G possibly damaging Het
Or12k5 A G 2: 36,894,738 (GRCm39) V296A probably damaging Het
Papln A G 12: 83,831,180 (GRCm39) probably benign Het
Pcnx3 G T 19: 5,736,093 (GRCm39) S244R probably damaging Het
Pecam1 A T 11: 106,573,786 (GRCm39) probably null Het
Plppr4 A T 3: 117,121,921 (GRCm39) L219Q probably damaging Het
Ppp2r5b A G 19: 6,280,935 (GRCm39) probably null Het
Ralgapb A G 2: 158,272,383 (GRCm39) R146G probably benign Het
Rapgef6 TG TGG 11: 54,437,223 (GRCm39) probably null Het
Rfpl4b T G 10: 38,697,530 (GRCm39) I24L probably benign Het
Serpinb1b G A 13: 33,277,637 (GRCm39) C290Y probably benign Het
Skic3 A G 13: 76,259,910 (GRCm39) E70G possibly damaging Het
Slc25a17 A G 15: 81,244,925 (GRCm39) S3P possibly damaging Het
Slc4a11 A C 2: 130,529,047 (GRCm39) probably null Het
Spata31e4 T C 13: 50,856,324 (GRCm39) L654P probably benign Het
Srgap1 T G 10: 121,706,244 (GRCm39) M221L probably benign Het
Srgap3 A G 6: 112,716,331 (GRCm39) L599P probably damaging Het
Svep1 C T 4: 58,107,561 (GRCm39) V1177M probably benign Het
Tarbp1 A G 8: 127,157,599 (GRCm39) F1303L possibly damaging Het
Tbxa2r T C 10: 81,170,341 (GRCm39) S276P possibly damaging Het
Try10 A T 6: 41,334,390 (GRCm39) D194V probably damaging Het
Ttc39c T C 18: 12,867,936 (GRCm39) probably benign Het
Ttc8 G A 12: 98,948,780 (GRCm39) V489M probably benign Het
Unc13b G T 4: 43,263,371 (GRCm39) R1912L probably damaging Het
Unc45b T A 11: 82,820,206 (GRCm39) probably null Het
Usp17lb T C 7: 104,490,048 (GRCm39) Y292C probably damaging Het
Usp34 A G 11: 23,438,725 (GRCm39) D3429G probably damaging Het
Usp42 A G 5: 143,703,122 (GRCm39) S500P probably damaging Het
Vmn2r14 T C 5: 109,367,838 (GRCm39) M385V probably benign Het
Vmn2r60 G A 7: 41,785,830 (GRCm39) W211* probably null Het
Vwf A T 6: 125,624,701 (GRCm39) probably benign Het
Wdfy4 A T 14: 32,681,918 (GRCm39) F3018I probably damaging Het
Wwox A G 8: 115,174,973 (GRCm39) T102A probably benign Het
Zfp142 A C 1: 74,611,047 (GRCm39) L813R possibly damaging Het
Zfp407 G A 18: 84,372,658 (GRCm39) T1670M probably damaging Het
Zfp93 A G 7: 23,974,282 (GRCm39) E89G probably benign Het
Zwint C T 10: 72,492,127 (GRCm39) Q18* probably null 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
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
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'- AGGAGCCCTGAGATCAAGTGTTGG -3'
(R):5'- TAACAGCAGTGGTGGCAGTGAC -3'

Sequencing Primer
(F):5'- AGCCCATCTGAGTTAGGCTG -3'
(R):5'- gcactcaggaggcagagg -3'
Posted On 2014-04-24