Incidental Mutation 'R4625:Sptb'
ID 346507
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 041890-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R4625 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation splice site (5 bp from exon)
DNA Base Change (assembly) C to A at 76634100 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000021458 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000021458
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061

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 noncoding transcript
Transcript: ENSMUST00000170532
Meta Mutation Damage Score 0.9755 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 97% (75/77)
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
1700018F24Rik A C 5: 144,981,693 (GRCm39) E176A possibly damaging Het
Abcc2 A G 19: 43,792,178 (GRCm39) I320V probably benign Het
Abtb1 C T 6: 88,813,269 (GRCm39) A466T probably benign Het
Ak6 C A 13: 100,792,181 (GRCm39) T208K probably benign Het
Albfm1 G T 5: 90,719,611 (GRCm39) V236L probably damaging Het
Alkbh2 C T 5: 114,262,287 (GRCm39) E148K probably damaging Het
Anapc15 T A 7: 101,550,239 (GRCm39) probably benign Het
Anxa2r1 G T 13: 120,496,765 (GRCm39) R35S possibly damaging Het
Aopep T C 13: 63,215,906 (GRCm39) S393P probably benign Het
Aspn A G 13: 49,710,901 (GRCm39) D182G probably benign Het
Astn1 A T 1: 158,407,864 (GRCm39) D607V probably damaging Het
Btnl1 A G 17: 34,598,725 (GRCm39) I114V probably null Het
Ccdc159 A G 9: 21,840,762 (GRCm39) S110G probably benign Het
Cdh18 A C 15: 22,714,128 (GRCm39) probably benign Het
Cdh22 A G 2: 164,954,526 (GRCm39) I665T probably damaging Het
Cenpk T A 13: 104,385,901 (GRCm39) H265Q possibly damaging Het
Chd6 A G 2: 160,811,412 (GRCm39) L1397P probably damaging Het
Chia1 A C 3: 106,036,256 (GRCm39) N279H probably benign Het
Cyp8b1 T C 9: 121,744,651 (GRCm39) E227G probably damaging Het
Dmxl2 A T 9: 54,311,404 (GRCm39) N1772K possibly damaging Het
Dnah2 A G 11: 69,354,487 (GRCm39) S2244P probably damaging Het
Fshr T C 17: 89,293,148 (GRCm39) Y510C probably damaging Het
Gm5087 T C 14: 13,158,798 (GRCm38) noncoding transcript Het
Gm7135 A C 1: 97,387,351 (GRCm39) noncoding transcript Het
Hnrnpll A T 17: 80,358,291 (GRCm39) Y153* probably null Het
Htt T A 5: 34,987,129 (GRCm39) V1116E probably damaging Het
Ikzf5 A T 7: 130,995,482 (GRCm39) probably null Het
Kcnb1 A G 2: 167,030,153 (GRCm39) S131P probably damaging Het
Kcnd3 C T 3: 105,566,082 (GRCm39) A421V probably damaging Het
Kctd21 A G 7: 96,996,782 (GRCm39) D85G probably damaging Het
Kera A G 10: 97,445,493 (GRCm39) N284S probably benign Het
Kif1a A T 1: 92,970,381 (GRCm39) D952E probably benign Het
Klf4 A G 4: 55,530,370 (GRCm39) V247A probably benign Het
Krt1 C T 15: 101,754,622 (GRCm39) G543S unknown Het
Lamc1 A G 1: 153,118,442 (GRCm39) S910P probably benign Het
Lin9 T A 1: 180,516,845 (GRCm39) N512K probably damaging Het
Mroh2a A T 1: 88,182,687 (GRCm39) N1205I possibly damaging Het
Mrps30 A G 13: 118,523,250 (GRCm39) V174A probably benign Het
Myo1g T C 11: 6,462,240 (GRCm39) E574G probably damaging Het
Nphp3 G A 9: 103,913,358 (GRCm39) G997R possibly damaging Het
Obscn A G 11: 58,958,084 (GRCm39) C3748R probably damaging Het
Or1j17 A G 2: 36,578,083 (GRCm39) D23G probably benign Het
Or5p69 T C 7: 107,966,895 (GRCm39) L66P probably damaging Het
Or8g28 A T 9: 39,169,614 (GRCm39) M118K probably damaging Het
Or9s18 T A 13: 65,300,674 (GRCm39) V212D possibly damaging Het
Orc5 G T 5: 22,753,003 (GRCm39) F10L probably benign Het
Ptch1 T C 13: 63,670,978 (GRCm39) T851A probably benign Het
Ranbp6 A T 19: 29,788,263 (GRCm39) Y696* probably null Het
Rbp3 A G 14: 33,678,056 (GRCm39) Q668R probably benign Het
Rfwd3 T C 8: 112,002,990 (GRCm39) T611A probably benign Het
Rhcg T A 7: 79,251,352 (GRCm39) D219V probably damaging Het
Rmi1 A G 13: 58,556,950 (GRCm39) R400G probably benign Het
Slc25a26 G T 6: 94,484,633 (GRCm39) V58F probably damaging Het
Smarca5 T A 8: 81,437,192 (GRCm39) K721N probably damaging Het
Sp110 A C 1: 85,505,050 (GRCm39) F434C probably benign Het
Speer2 A T 16: 69,655,642 (GRCm39) Y61* probably null Het
Spef2 T C 15: 9,647,524 (GRCm39) Y961C probably damaging Het
Svep1 T G 4: 58,072,698 (GRCm39) N2204H probably damaging Het
Tex56 G A 13: 35,116,448 (GRCm39) G66S probably damaging Het
Tmem86a C A 7: 46,702,613 (GRCm39) P13T probably damaging Het
Tmt1a A T 15: 100,210,939 (GRCm39) Q170L probably damaging Het
Tmtc2 A T 10: 105,139,511 (GRCm39) S672T probably benign Het
Tox2 G A 2: 163,156,336 (GRCm39) S211N possibly damaging Het
Trpc6 A T 9: 8,677,963 (GRCm39) E762D probably benign Het
Tshb C T 3: 102,685,461 (GRCm39) probably null Het
Ttc3 T A 16: 94,189,131 (GRCm39) L163* probably null Het
Twsg1 G T 17: 66,236,546 (GRCm39) D161E probably benign Het
Uchl4 A C 9: 64,143,080 (GRCm39) D187A probably damaging Het
Vmn2r104 A T 17: 20,268,443 (GRCm39) W9R probably benign Het
Yju2 T A 17: 56,271,598 (GRCm39) L173Q probably damaging Het
Zfp14 G A 7: 29,738,020 (GRCm39) Q322* probably null Het
Znhit3 G A 11: 84,802,316 (GRCm39) P145S 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
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'- TCAGACCCCAGATCAAGATAGG -3'
(R):5'- AGAAAGAGGACCATGGCCTC -3'

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