Incidental Mutation 'R4620:Sptb'
ID 345260
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 042008-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R4620 (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 76630581 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Stop codon at position 2244 (C2244*)
Ref Sequence ENSEMBL: ENSMUSP00000021458 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000075249]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000021458
AA Change: C2244*
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: C2244*

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 0.9755 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 99% (80/81)
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: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310057M21Rik A T 7: 130,945,335 (GRCm39) Y433* probably null Het
Apba2 C T 7: 64,364,215 (GRCm39) R331C probably damaging Het
Apod T C 16: 31,116,211 (GRCm39) D173G probably benign Het
B3gnt5 A T 16: 19,588,632 (GRCm39) M284L probably benign Het
Birc6 A C 17: 74,947,145 (GRCm39) T2955P probably benign Het
Blvra T C 2: 126,938,885 (GRCm39) I287T probably damaging Het
Capn5 T C 7: 97,778,578 (GRCm39) Y347C probably damaging Het
Cdcp2 A G 4: 106,963,927 (GRCm39) E259G probably damaging Het
Cdh2 A G 18: 16,781,665 (GRCm39) V85A probably benign Het
Cdk5rap2 A G 4: 70,184,943 (GRCm39) I1169T probably benign Het
Cenpj A G 14: 56,772,911 (GRCm39) V1043A probably damaging Het
Cfap54 T A 10: 92,805,619 (GRCm39) H1497L probably benign Het
Chat A G 14: 32,175,775 (GRCm39) M95T probably damaging Het
Csmd1 T C 8: 16,052,694 (GRCm39) probably null Het
Csmd3 T C 15: 47,449,149 (GRCm39) E3615G probably benign Het
Cyp2c68 A T 19: 39,701,006 (GRCm39) probably null Het
Dll1 C T 17: 15,590,828 (GRCm39) A332T probably benign Het
Dmrta1 A T 4: 89,577,021 (GRCm39) Q159L probably benign Het
Dnai3 A T 3: 145,748,564 (GRCm39) L850Q probably damaging Het
Eci3 A T 13: 35,132,741 (GRCm39) M212K probably damaging Het
Eml4 T C 17: 83,768,962 (GRCm39) F557L probably benign Het
Fat3 A T 9: 15,908,190 (GRCm39) V2604D probably damaging Het
Frem3 T C 8: 81,395,586 (GRCm39) V1871A possibly damaging Het
Gart T C 16: 91,422,321 (GRCm39) N732S probably damaging Het
Gas2l2 T C 11: 83,313,924 (GRCm39) I463V probably benign Het
H2-M3 C A 17: 37,583,310 (GRCm39) T257K probably damaging Het
Hdgf A G 3: 87,821,883 (GRCm39) N166S possibly damaging Het
Hoxb3 A T 11: 96,236,599 (GRCm39) N226Y probably damaging Het
Itgav T C 2: 83,586,246 (GRCm39) Y169H probably benign Het
Kalrn T G 16: 33,849,075 (GRCm39) I426L probably damaging Het
Kcnh3 G A 15: 99,131,982 (GRCm39) V646M probably damaging Het
Kif6 T C 17: 50,208,324 (GRCm39) V735A probably benign Het
Krt1c T A 15: 101,726,026 (GRCm39) I171F probably damaging Het
Megf8 G A 7: 25,054,523 (GRCm39) A1880T possibly damaging Het
Miox A T 15: 89,220,324 (GRCm39) Y172F probably benign Het
Myo18a G A 11: 77,708,773 (GRCm39) R48H possibly damaging Het
Ndufb7 T C 8: 84,293,487 (GRCm39) S14P probably damaging Het
Npepps A T 11: 97,129,070 (GRCm39) H371Q probably damaging Het
Or10d5j C T 9: 39,868,205 (GRCm39) V9M probably damaging Het
Or52e15 T A 7: 104,645,830 (GRCm39) I94F probably damaging Het
Or52e19 C T 7: 102,959,165 (GRCm39) T79I probably benign Het
Or8b12c A G 9: 37,716,115 (GRCm39) T303A probably benign Het
Orc5 A T 5: 22,734,174 (GRCm39) D203E probably damaging Het
Pappa A G 4: 65,245,265 (GRCm39) T1518A probably benign Het
Pde6a A G 18: 61,395,563 (GRCm39) D602G probably damaging Het
Pnliprp2 G A 19: 58,750,718 (GRCm39) V136I possibly damaging Het
Postn A C 3: 54,284,414 (GRCm39) D627A probably damaging Het
Prpf39 T C 12: 65,089,337 (GRCm39) V25A probably benign Het
Pxdc1 A G 13: 34,836,297 (GRCm39) I41T probably damaging Het
Rab11fip1 T A 8: 27,644,243 (GRCm39) E514V probably damaging Het
Rag1 A T 2: 101,474,025 (GRCm39) H372Q probably damaging Het
Ranbp1 A G 16: 18,057,968 (GRCm39) probably benign Het
Rexo5 A G 7: 119,426,526 (GRCm39) I317V probably benign Het
Rragc A G 4: 123,818,622 (GRCm39) Q279R probably damaging Het
Sbf1 A G 15: 89,191,129 (GRCm39) S187P probably damaging Het
Senp3 T A 11: 69,567,944 (GRCm39) Y432F probably benign Het
Slfn5 G A 11: 82,852,478 (GRCm39) C868Y probably damaging Het
Sorcs2 C T 5: 36,194,838 (GRCm39) A722T probably benign Het
Srbd1 A T 17: 86,416,693 (GRCm39) F488L probably benign Het
Sucnr1 A G 3: 59,994,190 (GRCm39) I239M possibly damaging Het
Themis2 A G 4: 132,513,333 (GRCm39) W298R probably damaging Het
Tmem168 T G 6: 13,594,952 (GRCm39) N37T probably benign Het
Tmem62 A G 2: 120,826,845 (GRCm39) probably benign Het
Tmprss15 T C 16: 78,818,358 (GRCm39) D524G probably damaging Het
Trav5-4 G T 14: 53,941,853 (GRCm39) M75I probably benign Het
Trio T A 15: 27,871,257 (GRCm39) H620L probably damaging Het
Ubap2 C T 4: 41,233,698 (GRCm39) G64E probably damaging Het
Usp32 C A 11: 84,949,953 (GRCm39) probably null Het
Wdfy3 A T 5: 102,054,011 (GRCm39) F1603Y probably damaging Het
Xpo4 A T 14: 57,867,782 (GRCm39) L155Q probably damaging Het
Zbtb21 T C 16: 97,751,092 (GRCm39) T1092A possibly damaging Het
Zfp780b A T 7: 27,662,178 (GRCm39) Y792* 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
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
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'- GACAAAGGGTTTTGAGTCATGG -3'
(R):5'- AGCAGCAAGGTTATTGGAGC -3'

Sequencing Primer
(F):5'- GAGTCATGGTACCATCTCCAG -3'
(R):5'- CAGCAAGGTTATTGGAGCTGGTTG -3'
Posted On 2015-09-25