Incidental Mutation 'R5114:Sptb'
ID 394107
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 042702-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R5114 (G1)
Quality Score 202
Status Validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 76656052 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Asparagine at position 1343 (K1343N)
Ref Sequence ENSEMBL: ENSMUSP00000129782 (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: K1343N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: K1343N

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: K1343N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: K1343N

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
Meta Mutation Damage Score 0.3484 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 93.9%
Validation Efficiency 99% (93/94)
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: 88 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
5830454E08Rik T A 9: 120,406,693 (GRCm39) probably benign Het
Ada G A 2: 163,572,406 (GRCm39) R225C probably benign Het
Adamts9 T C 6: 92,867,254 (GRCm39) K625R probably benign Het
Ano1 T C 7: 144,210,820 (GRCm39) I182V possibly damaging Het
Aoc1l2 A T 6: 48,908,292 (GRCm39) M431L probably benign Het
Aox4 T C 1: 58,285,445 (GRCm39) V643A possibly damaging Het
Arcn1 T C 9: 44,671,441 (GRCm39) I29V probably benign Het
Arhgap15 A G 2: 43,670,630 (GRCm39) T5A probably benign Het
Asb10 A T 5: 24,745,740 (GRCm39) L62Q probably damaging Het
Atp23 T A 10: 126,723,403 (GRCm39) H233L possibly damaging Het
Bglap2 C T 3: 88,289,432 (GRCm39) probably benign Het
Carnmt1 T C 19: 18,655,098 (GRCm39) S84P probably damaging Het
Ccdc152 A G 15: 3,312,319 (GRCm39) I180T probably damaging Het
Cdr2l T C 11: 115,284,186 (GRCm39) F174S probably damaging Het
Celsr2 C T 3: 108,301,312 (GRCm39) V2695I probably benign Het
Chd1 C A 17: 15,948,460 (GRCm39) S127R probably benign Het
Chmp4c T A 3: 10,450,646 (GRCm39) F75L probably benign Het
Col13a1 A C 10: 61,725,880 (GRCm39) V260G possibly damaging Het
Col5a1 A G 2: 27,915,664 (GRCm39) N183D probably damaging Het
Cpn1 C T 19: 43,974,634 (GRCm39) V32M probably damaging Het
Cxcl1 A G 5: 91,039,373 (GRCm39) M39V probably benign Het
Dpep2 T A 8: 106,712,825 (GRCm39) D455V probably damaging Het
Dpp7 G A 2: 25,242,749 (GRCm39) T441I possibly damaging Het
Dst C A 1: 34,241,640 (GRCm39) H4001N probably damaging Het
Epg5 G A 18: 78,038,828 (GRCm39) A1519T probably benign Het
Esrp2 C T 8: 106,858,820 (GRCm39) V606I probably benign Het
Fbxo40 T C 16: 36,789,236 (GRCm39) K625E probably damaging Het
Gbp2b A T 3: 142,303,946 (GRCm39) I14F probably damaging Het
Gpr37l1 G T 1: 135,094,676 (GRCm39) F189L probably damaging Het
Heatr5a G A 12: 52,003,020 (GRCm39) Q161* probably null Het
Hspa4l T C 3: 40,700,197 (GRCm39) Y30H possibly damaging Het
Hspg2 G A 4: 137,239,237 (GRCm39) C388Y probably damaging Het
Kcna1 A G 6: 126,619,330 (GRCm39) I330T probably damaging Het
Klhl3 T A 13: 58,166,781 (GRCm39) Y350F probably benign Het
Kntc1 T C 5: 123,919,118 (GRCm39) probably null Het
Krtap10-4 A T 10: 77,662,520 (GRCm39) C109* probably null Het
Lrch4 T C 5: 137,636,179 (GRCm39) S377P probably benign Het
Lrrc8c C A 5: 105,755,349 (GRCm39) H375N probably damaging Het
Lsg1 T C 16: 30,380,538 (GRCm39) E633G probably damaging Het
Mcoln1 T C 8: 3,560,697 (GRCm39) probably benign Het
Med12l C A 3: 59,167,109 (GRCm39) T1523K possibly damaging Het
Mrps27 A T 13: 99,547,973 (GRCm39) probably benign Het
Mzb1 T A 18: 35,780,717 (GRCm39) Y158F probably benign Het
Nat8l T A 5: 34,155,823 (GRCm39) C160S probably damaging Het
Ncf4 T C 15: 78,146,593 (GRCm39) probably benign Het
Or1b1 A T 2: 36,994,814 (GRCm39) Y283N probably damaging Het
Or1o3 T C 17: 37,573,730 (GRCm39) Y275C probably damaging Het
Pak2 T A 16: 31,861,936 (GRCm39) probably benign Het
Pcdhga12 T C 18: 37,901,160 (GRCm39) I664T probably benign Het
Pcnx2 A C 8: 126,564,749 (GRCm39) L1048R possibly damaging Het
Pcsk5 T C 19: 17,652,949 (GRCm39) M246V probably damaging Het
Pkd2l2 T A 18: 34,566,355 (GRCm39) V522D probably benign Het
Plekhh1 A T 12: 79,115,880 (GRCm39) M808L probably benign Het
Plpp2 C A 10: 79,362,973 (GRCm39) R157L probably benign Het
Plrg1 T A 3: 82,978,558 (GRCm39) H441Q probably benign Het
Pnpla6 T C 8: 3,572,613 (GRCm39) V300A probably damaging Het
Ptprb A T 10: 116,184,088 (GRCm39) K1633N possibly damaging Het
Ralgapa1 A G 12: 55,659,508 (GRCm39) V2004A possibly damaging Het
Rasd1 G T 11: 59,854,933 (GRCm39) S182R possibly damaging Het
Rc3h2 A T 2: 37,288,373 (GRCm39) probably null Het
Rrp1b T A 17: 32,255,445 (GRCm39) probably benign Het
Ruvbl1 T C 6: 88,474,272 (GRCm39) I425T probably benign Het
Shisal1 T C 15: 84,301,427 (GRCm39) D72G probably damaging Het
Sipa1l1 C T 12: 82,487,682 (GRCm39) A1652V probably benign Het
Slc12a2 A G 18: 58,032,344 (GRCm39) Y348C probably damaging Het
Slc14a2 C A 18: 78,238,963 (GRCm39) V219L possibly damaging Het
Smc1b G T 15: 84,949,185 (GRCm39) P1242Q probably damaging Het
Smim33 A G 18: 35,861,894 (GRCm39) Y126C probably damaging Het
Snx27 T A 3: 94,431,551 (GRCm39) D281V probably damaging Het
Spem2 C T 11: 69,707,973 (GRCm39) V331I probably benign Het
Sult2a8 T C 7: 14,147,584 (GRCm39) I236V probably benign Het
Syk A G 13: 52,765,071 (GRCm39) E66G probably damaging Het
Synm T A 7: 67,385,406 (GRCm39) E310V probably damaging Het
Tas2r118 G A 6: 23,969,209 (GRCm39) A284V probably benign Het
Thoc2l T A 5: 104,667,742 (GRCm39) F755I probably damaging Het
Tlr11 A G 14: 50,600,578 (GRCm39) N855D possibly damaging Het
Tmem230 G T 2: 132,087,871 (GRCm39) probably benign Het
Trappc8 G A 18: 20,977,237 (GRCm39) T844I probably benign Het
Trmt44 T C 5: 35,722,812 (GRCm39) S419G possibly damaging Het
Trpv1 T A 11: 73,132,574 (GRCm39) V396E probably damaging Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Tubgcp2 A G 7: 139,587,354 (GRCm39) I337T possibly damaging Het
Ubr4 T C 4: 139,137,934 (GRCm39) I1097T probably damaging Het
Vmn2r61 T C 7: 41,949,953 (GRCm39) F791S possibly damaging Het
Zdhhc2 T A 8: 40,898,825 (GRCm39) M45K probably benign Het
Zfp383 T A 7: 29,614,166 (GRCm39) D140E probably damaging Het
Zfp712 C A 13: 67,189,425 (GRCm39) K367N probably damaging Het
Zfp763 C T 17: 33,237,949 (GRCm39) A399T 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
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'- CCATGGCACCGATCCATTTG -3'
(R):5'- TGAATCATTTGTCCAAACACTGCTC -3'

Sequencing Primer
(F):5'- CATGGCACCGATCCATTTGTTAAGG -3'
(R):5'- CCCCCATCTGTAGATAACTTTAGAGG -3'
Posted On 2016-06-15