Incidental Mutation 'R0365:Sptb'
ID 36368
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 038571-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.858) question?
Stock # R0365 (G1)
Quality Score 217
Status Not validated
Chromosome 12
Chromosomal Location 76627262-76757321 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 76647157 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 1959 (F1959L)
Ref Sequence ENSEMBL: ENSMUSP00000129782 (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: F1959L

PolyPhen 2 Score 0.065 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: F1959L

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: F1959L

PolyPhen 2 Score 0.117 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: F1959L

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: 99.4%
  • 3x: 98.6%
  • 10x: 96.7%
  • 20x: 93.8%
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9130401M01Rik A T 15: 57,892,088 (GRCm39) M173K probably benign Het
Abcb1b T A 5: 8,856,009 (GRCm39) F39Y probably damaging Het
Acbd3 A G 1: 180,566,177 (GRCm39) Y290C probably damaging Het
Alg12 A C 15: 88,700,352 (GRCm39) I28R possibly damaging Het
Amer2 A T 14: 60,616,984 (GRCm39) D393V probably damaging Het
Anxa5 A T 3: 36,511,618 (GRCm39) V153D probably damaging Het
Arl5a T C 2: 52,306,141 (GRCm39) M64V probably benign Het
Astn1 T C 1: 158,516,118 (GRCm39) L1236P probably damaging Het
Atg2a T C 19: 6,297,713 (GRCm39) S424P possibly damaging Het
AW551984 A T 9: 39,510,617 (GRCm39) S239R probably benign Het
Baz1b T C 5: 135,268,985 (GRCm39) V1278A probably benign Het
Cbfa2t3 G T 8: 123,361,799 (GRCm39) L408I probably benign Het
Cdc27 A T 11: 104,419,250 (GRCm39) N227K possibly damaging Het
Cdh20 A T 1: 110,036,486 (GRCm39) Q555H probably damaging Het
Cdh23 T A 10: 60,215,094 (GRCm39) N1412I probably damaging Het
Cdhr2 T C 13: 54,866,105 (GRCm39) S302P probably benign Het
Cep350 C A 1: 155,782,317 (GRCm39) E1563D probably benign Het
Cfap221 T A 1: 119,912,753 (GRCm39) E107V probably benign Het
Col6a3 C A 1: 90,715,938 (GRCm39) R1641L unknown Het
Coro6 A T 11: 77,354,916 (GRCm39) I60F probably benign Het
Dennd2b A T 7: 109,138,156 (GRCm39) V753E probably damaging Het
Dock10 G T 1: 80,573,400 (GRCm39) N245K probably damaging Het
Epb41l2 T A 10: 25,345,119 (GRCm39) N286K probably damaging Het
Fam83g G T 11: 61,593,935 (GRCm39) E490* probably null Het
Gnb1l T C 16: 18,371,211 (GRCm39) I234T possibly damaging Het
Gtf3a T A 5: 146,885,747 (GRCm39) W53R probably damaging Het
Ikzf4 T C 10: 128,470,276 (GRCm39) I415V probably benign Het
Il11ra1 T C 4: 41,767,527 (GRCm39) V293A probably damaging Het
Il17ra G A 6: 120,455,410 (GRCm39) V340M probably benign Het
Ino80 G A 2: 119,213,441 (GRCm39) R1249C probably damaging Het
Kif24 A T 4: 41,428,731 (GRCm39) H76Q probably benign Het
Klhl25 T C 7: 75,516,264 (GRCm39) L390P probably damaging Het
Klhl26 T C 8: 70,904,479 (GRCm39) D443G probably damaging Het
Lama3 A T 18: 12,640,064 (GRCm39) R86S probably damaging Het
Lrrc24 G A 15: 76,599,984 (GRCm39) A385V probably benign Het
Maea C T 5: 33,517,787 (GRCm39) A109V probably benign Het
Mtor A T 4: 148,570,507 (GRCm39) Y1188F probably benign Het
Nccrp1 T C 7: 28,243,977 (GRCm39) D202G probably damaging Het
Nsun4 A T 4: 115,901,935 (GRCm39) L177Q probably damaging Het
Nup155 C T 15: 8,161,027 (GRCm39) R571W probably damaging Het
Nup160 T A 2: 90,539,188 (GRCm39) M789K probably benign Het
Odad2 T A 18: 7,217,800 (GRCm39) H638L probably benign Het
Or5an1c A G 19: 12,218,440 (GRCm39) F195S probably benign Het
Or5p50 A T 7: 107,422,124 (GRCm39) L184* probably null Het
Or8d2b A T 9: 38,788,481 (GRCm39) H3L probably benign Het
Pgpep1 G T 8: 71,105,174 (GRCm39) probably null Het
Pkd1l2 C T 8: 117,748,589 (GRCm39) V1861M probably benign Het
Plekha5 G A 6: 140,537,473 (GRCm39) R646K possibly damaging Het
Plin4 G T 17: 56,411,667 (GRCm39) T788K possibly damaging Het
Ppp3r2 T C 4: 49,681,902 (GRCm39) D16G possibly damaging Het
Pramel22 G T 4: 143,382,071 (GRCm39) Y208* probably null Het
Prdm16 A T 4: 154,426,513 (GRCm39) I424N probably damaging Het
Psen2 T A 1: 180,056,410 (GRCm39) I396F probably damaging Het
Psip1 C T 4: 83,403,949 (GRCm39) probably null Het
Ptprd G A 4: 76,055,083 (GRCm39) T215I probably damaging Het
Rec114 A G 9: 58,648,822 (GRCm39) S2P probably benign Het
Rexo1 A G 10: 80,378,410 (GRCm39) I1181T probably damaging Het
Rfx7 T C 9: 72,527,118 (GRCm39) M1436T probably benign Het
Rnf213 T A 11: 119,316,937 (GRCm39) V1020E possibly damaging Het
Rorc G A 3: 94,296,069 (GRCm39) G83S probably damaging Het
Ryr2 T G 13: 11,683,725 (GRCm39) Q3113P possibly damaging Het
Shank1 T C 7: 44,003,401 (GRCm39) S1698P possibly damaging Het
Slc2a2 T C 3: 28,762,828 (GRCm39) probably null Het
Slc5a9 A T 4: 111,749,033 (GRCm39) Y98* probably null Het
Smc6 T C 12: 11,333,175 (GRCm39) probably null Het
Srgap1 T A 10: 121,621,610 (GRCm39) H984L possibly damaging Het
Ssc5d T A 7: 4,931,466 (GRCm39) C224* probably null Het
Ston2 A T 12: 91,614,634 (GRCm39) H591Q probably benign Het
Tbx3 C T 5: 119,813,315 (GRCm39) A222V possibly damaging Het
Thsd7a A G 6: 12,321,886 (GRCm39) probably null Het
Usp9y T C Y: 1,364,732 (GRCm39) D1027G probably damaging Het
Wnt5a C T 14: 28,240,461 (GRCm39) R184* probably null Het
Zfpm2 A G 15: 40,637,462 (GRCm39) E74G possibly damaging Het
Zwint C A 10: 72,493,127 (GRCm39) S223* 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
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
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'- TCACCTGAGAGGTAGAGGCAACAAC -3'
(R):5'- TCCTGGCAGACAAGACTCCTCAAG -3'

Sequencing Primer
(F):5'- aggtagaggcaacaaCTCCAAAG -3'
(R):5'- GACAAGACTCCTCAAGGCAGG -3'
Posted On 2013-05-09