Incidental Mutation 'R8558:Sptb'
ID 660877
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 068521-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R8558 (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 76659561 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Arginine at position 1113 (H1113R)
Ref Sequence ENSEMBL: ENSMUSP00000021458 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000166101]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000021458
AA Change: H1113R

PolyPhen 2 Score 0.093 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: H1113R

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: ENSMUST00000166101
AA Change: H1113R

PolyPhen 2 Score 0.047 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: H1113R

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: 99.5%
  • 20x: 98.5%
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: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700017N19Rik A T 10: 100,430,497 (GRCm39) R51S probably benign Het
1700067P10Rik G T 17: 48,400,849 (GRCm39) E45* probably null Het
Abcb5 T C 12: 118,841,566 (GRCm39) T960A probably benign Het
Abcc3 A G 11: 94,242,623 (GRCm39) probably null Het
Adamtsl3 A T 7: 82,077,600 (GRCm39) D95V possibly damaging Het
Ash1l T A 3: 88,891,713 (GRCm39) S1197R probably damaging Het
BC034090 T A 1: 155,097,085 (GRCm39) H671L possibly damaging Het
Bltp1 T A 3: 37,102,750 (GRCm39) M1443K Het
Btnl9 T C 11: 49,071,619 (GRCm39) E68G probably benign Het
C1qtnf1 A T 11: 118,339,149 (GRCm39) Y273F probably damaging Het
C4b A T 17: 34,955,541 (GRCm39) C714S probably damaging Het
Carmil1 G A 13: 24,209,863 (GRCm39) T1204I probably benign Het
Cdk12 T C 11: 98,101,915 (GRCm39) L591P unknown Het
Ces2f T A 8: 105,679,758 (GRCm39) L417* probably null Het
Chl1 T A 6: 103,685,390 (GRCm39) S810R probably benign Het
Ckap2 A G 8: 22,658,811 (GRCm39) V644A possibly damaging Het
Ctdsp2 T A 10: 126,829,746 (GRCm39) V126E probably damaging Het
Dok6 G T 18: 89,492,066 (GRCm39) H170Q probably damaging Het
Dynlrb1 T C 2: 155,084,728 (GRCm39) probably null Het
Eif5b T C 1: 38,083,795 (GRCm39) L757S probably damaging Het
Epas1 A C 17: 87,116,896 (GRCm39) T189P possibly damaging Het
Epha10 C A 4: 124,788,777 (GRCm39) N283K Het
Epha5 C A 5: 84,206,975 (GRCm39) G853C probably damaging Het
Gapvd1 A T 2: 34,594,493 (GRCm39) H831Q probably damaging Het
Gcnt3 T A 9: 69,941,996 (GRCm39) K191* probably null Het
Gm14226 T A 2: 154,866,909 (GRCm39) S289T probably benign Het
Gm4846 T A 1: 166,314,674 (GRCm39) D323V probably damaging Het
Golga3 G T 5: 110,356,421 (GRCm39) R1036L possibly damaging Het
Gopc T C 10: 52,229,580 (GRCm39) Q213R probably damaging Het
Hrh1 G A 6: 114,457,564 (GRCm39) V282M probably benign Het
Ighv5-4 T C 12: 113,561,078 (GRCm39) Y114C probably damaging Het
Igkv10-94 A T 6: 68,681,636 (GRCm39) I68N probably damaging Het
Kcnj3 A G 2: 55,336,875 (GRCm39) D247G possibly damaging Het
Lcn6 C A 2: 25,570,718 (GRCm39) S102Y probably damaging Het
Matk C A 10: 81,096,765 (GRCm39) H232N probably benign Het
Mcm9 C T 10: 53,492,068 (GRCm39) V366I probably benign Het
Nadk A G 4: 155,669,844 (GRCm39) I176V probably benign Het
Nlrp12 A G 7: 3,298,111 (GRCm39) L20P probably damaging Het
Oga T C 19: 45,746,511 (GRCm39) S763G probably benign Het
Or10ag56 A T 2: 87,139,583 (GRCm39) Q170L probably benign Het
Or1e21 G A 11: 73,344,309 (GRCm39) S243F probably damaging Het
Or4a72 A G 2: 89,405,329 (GRCm39) L247P probably damaging Het
Pcdhgb6 T A 18: 37,877,237 (GRCm39) D648E probably damaging Het
Pkd1l3 A T 8: 110,362,012 (GRCm39) N1018I probably damaging Het
Plch2 T C 4: 155,083,391 (GRCm39) K516E probably damaging Het
Pmpca G C 2: 26,285,046 (GRCm39) E424Q possibly damaging Het
Pnma2 C T 14: 67,153,972 (GRCm39) A132V probably benign Het
Prkn T C 17: 11,456,472 (GRCm39) S99P probably benign Het
Prune2 A G 19: 17,099,602 (GRCm39) E1702G probably damaging Het
Qars1 T A 9: 108,392,422 (GRCm39) H756Q probably benign Het
Rab5a A G 17: 53,790,877 (GRCm39) probably benign Het
Rars2 A G 4: 34,657,199 (GRCm39) D515G probably damaging Het
Rpe65 T A 3: 159,320,429 (GRCm39) C329S probably damaging Het
Rps6ka2 G A 17: 7,523,316 (GRCm39) V231M possibly damaging Het
Rsf1 GCG GCGACGGCGCCG 7: 97,229,114 (GRCm39) probably benign Het
Scrt1 G T 15: 76,403,843 (GRCm39) S49* probably null Het
Sec23b C G 2: 144,428,308 (GRCm39) D640E possibly damaging Het
Setdb1 C T 3: 95,261,979 (GRCm39) V96M possibly damaging Het
Sik3 C A 9: 46,066,746 (GRCm39) A175E probably damaging Het
Smarcad1 A G 6: 65,060,908 (GRCm39) K463E probably benign Het
Sobp A C 10: 43,003,888 (GRCm39) C154G probably damaging Het
Sox6 A G 7: 115,141,033 (GRCm39) S482P probably benign Het
Spen C T 4: 141,197,681 (GRCm39) A3396T probably benign Het
Spink11 T A 18: 44,324,748 (GRCm39) R75* probably null Het
Sypl2 A T 3: 108,125,004 (GRCm39) V119E probably damaging Het
Tbc1d24 T C 17: 24,427,903 (GRCm39) S20G unknown Het
Tektl1 T C 10: 78,583,035 (GRCm39) K450E probably damaging Het
Top2a A T 11: 98,912,549 (GRCm39) V106D probably damaging Het
Tspyl4 G C 10: 34,174,261 (GRCm39) R251P probably damaging Het
Ttc21a T A 9: 119,787,835 (GRCm39) L801Q probably damaging Het
Vgll3 A G 16: 65,624,844 (GRCm39) E64G probably damaging Het
Vmn2r30 A G 7: 7,315,655 (GRCm39) I726T possibly damaging Het
Vmn2r81 T C 10: 79,106,467 (GRCm39) S482P possibly damaging Het
Wasf1 T G 10: 40,806,648 (GRCm39) M97R possibly damaging Het
Wdr33 T A 18: 31,962,947 (GRCm39) M98K probably benign Het
Wdr73 G A 7: 80,548,254 (GRCm39) T95I 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
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
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'- TTCTGGAACTCCTGAAAGCC -3'
(R):5'- GCAGATGTTGAGAAGCTGTG -3'

Sequencing Primer
(F):5'- CCTGAAAGCCCAGGCAC -3'
(R):5'- TTGCAAGGTCAGGAGCTCTC -3'
Posted On 2021-03-08