Incidental Mutation 'R5325:Spib'
ID 421889
Institutional Source Beutler Lab
Gene Symbol Spib
Ensembl Gene ENSMUSG00000008193
Gene Name Spi-B transcription factor (Spi-1/PU.1 related)
Synonyms Spi-B
MMRRC Submission 042908-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.697) question?
Stock # R5325 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 44175417-44181495 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 44177505 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 229 (T229A)
Ref Sequence ENSEMBL: ENSMUSP00000145968 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035323] [ENSMUST00000049343] [ENSMUST00000098483] [ENSMUST00000151793] [ENSMUST00000205506] [ENSMUST00000165208]
AlphaFold O35906
Predicted Effect probably damaging
Transcript: ENSMUST00000035323
AA Change: T228A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000035539
Gene: ENSMUSG00000008193
AA Change: T228A

DomainStartEndE-ValueType
low complexity region 50 58 N/A INTRINSIC
low complexity region 159 171 N/A INTRINSIC
ETS 173 261 2.05e-41 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000049343
SMART Domains Protein: ENSMUSP00000039776
Gene: ENSMUSG00000038644

DomainStartEndE-ValueType
coiled coil region 34 58 N/A INTRINSIC
Blast:POLBc 65 108 1e-7 BLAST
low complexity region 212 225 N/A INTRINSIC
Blast:POLBc 227 279 1e-19 BLAST
POLBc 306 763 2.53e-161 SMART
Blast:POLBc 790 837 1e-18 BLAST
Pfam:zf-C4pol 1010 1080 5.1e-22 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000098483
AA Change: T246A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000096084
Gene: ENSMUSG00000008193
AA Change: T246A

DomainStartEndE-ValueType
low complexity region 68 76 N/A INTRINSIC
low complexity region 177 189 N/A INTRINSIC
ETS 191 279 2.05e-41 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136225
Predicted Effect noncoding transcript
Transcript: ENSMUST00000138746
Predicted Effect probably benign
Transcript: ENSMUST00000151793
SMART Domains Protein: ENSMUSP00000117157
Gene: ENSMUSG00000038644

DomainStartEndE-ValueType
coiled coil region 34 58 N/A INTRINSIC
Blast:POLBc 66 108 1e-7 BLAST
low complexity region 212 225 N/A INTRINSIC
Blast:POLBc 227 279 1e-19 BLAST
POLBc 306 763 7.8e-164 SMART
Blast:POLBc 790 837 1e-18 BLAST
low complexity region 914 938 N/A INTRINSIC
low complexity region 959 980 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154783
Predicted Effect probably damaging
Transcript: ENSMUST00000205506
AA Change: T229A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Predicted Effect probably benign
Transcript: ENSMUST00000165208
SMART Domains Protein: ENSMUSP00000130127
Gene: ENSMUSG00000038670

DomainStartEndE-ValueType
low complexity region 2 37 N/A INTRINSIC
IG 54 150 6.26e-5 SMART
PDB:2LHU|A 160 236 7e-9 PDB
low complexity region 237 252 N/A INTRINSIC
IG 258 337 5.21e-2 SMART
IG 347 430 1.2e-1 SMART
IG 440 526 2.72e-5 SMART
IG 546 631 1.68e-5 SMART
FN3 634 717 3.29e-11 SMART
FN3 732 815 1.23e-10 SMART
IG 842 925 6.07e-3 SMART
FN3 928 1010 2.08e-8 SMART
IGc2 1055 1122 6.91e-7 SMART
Meta Mutation Damage Score 0.7056 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.0%
Validation Efficiency 98% (55/56)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a transcriptional activator that binds to the PU-box (5'-GAGGAA-3') and acts as a lymphoid-specific enhancer. Four transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]
PHENOTYPE: Homozygous null mice exhibit severe defects in B cell function and selective T cell-dependent humoral immune responses. Mutant B cells display a defective germinal center reaction upon immunization with DNP-KLH and proliferate poorly in vitro in responseto IgM cross-linking. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ace3 T A 11: 105,896,079 (GRCm39) M675K probably benign Het
Ccdc186 A T 19: 56,801,613 (GRCm39) I168N probably damaging Het
Ccnb1 C G 13: 100,918,283 (GRCm39) Q121H possibly damaging Het
Cep83 A G 10: 94,573,768 (GRCm39) E219G probably damaging Het
Ctsj T C 13: 61,151,839 (GRCm39) T73A possibly damaging Het
Ddr2 T A 1: 169,829,406 (GRCm39) T283S probably benign Het
Ehbp1 T A 11: 22,045,370 (GRCm39) D768V possibly damaging Het
Evpl T C 11: 116,112,191 (GRCm39) D1833G probably damaging Het
Exoc1 A G 5: 76,685,549 (GRCm39) N87S probably benign Het
Fam98b A C 2: 117,101,132 (GRCm39) I315L possibly damaging Het
Fancg A G 4: 43,006,564 (GRCm39) V330A probably damaging Het
Fbxo30 G A 10: 11,166,846 (GRCm39) V523I possibly damaging Het
Fbxw27 A G 9: 109,599,161 (GRCm39) C419R probably damaging Het
Flt3 C A 5: 147,312,459 (GRCm39) V161L probably benign Het
Fndc7 G A 3: 108,790,765 (GRCm39) T87I probably damaging Het
Gm4787 G C 12: 81,424,604 (GRCm39) T518S probably benign Het
Gm6457 A T 18: 14,703,498 (GRCm39) noncoding transcript Het
Gpr63 T C 4: 25,007,294 (GRCm39) V6A probably benign Het
Grhl3 T A 4: 135,286,415 (GRCm39) K89* probably null Het
H2-M10.2 C A 17: 36,596,471 (GRCm39) V125L probably benign Het
Hrh4 C T 18: 13,155,054 (GRCm39) Q198* probably null Het
Lrch4 A G 5: 137,636,168 (GRCm39) E373G probably damaging Het
Mroh9 C G 1: 162,888,329 (GRCm39) G249R probably damaging Het
Noa1 A C 5: 77,452,042 (GRCm39) D547E probably damaging Het
Nr2e1 G A 10: 42,448,780 (GRCm39) R153W probably damaging Het
Nudt9 A C 5: 104,198,487 (GRCm39) M1L possibly damaging Het
Odf2 T A 2: 29,802,583 (GRCm39) D282E probably benign Het
Olfr908 A T 9: 38,427,454 (GRCm39) N42I probably damaging Het
Or13a25 C A 7: 140,247,705 (GRCm39) H168Q probably benign Het
Or6ae1 T A 7: 139,742,026 (GRCm39) Y279F probably damaging Het
Osbpl5 C G 7: 143,245,665 (GRCm39) A816P probably damaging Het
Pan2 T C 10: 128,153,503 (GRCm39) I924T possibly damaging Het
Ppat A G 5: 77,076,269 (GRCm39) probably benign Het
Rad50 T G 11: 53,583,690 (GRCm39) I364L probably benign Het
Rnf7l A G 10: 63,257,458 (GRCm39) S21P probably benign Het
Robo2 A G 16: 73,770,673 (GRCm39) I484T possibly damaging Het
Ryr2 A T 13: 11,705,249 (GRCm39) M2839K probably damaging Het
Sin3b A G 8: 73,477,154 (GRCm39) D807G probably damaging Het
Sirpb1a G A 3: 15,476,503 (GRCm39) T98I possibly damaging Het
Smim17 G A 7: 6,432,321 (GRCm39) V88M probably damaging Het
St14 A T 9: 31,008,274 (GRCm39) probably null Het
Syne4 A T 7: 30,018,401 (GRCm39) Y381F probably damaging Het
Sytl1 T C 4: 132,988,382 (GRCm39) probably benign Het
Tnpo3 A C 6: 29,602,012 (GRCm39) probably benign Het
Trim12a T A 7: 103,953,413 (GRCm39) I233F probably damaging Het
Tspan1 T A 4: 116,021,536 (GRCm39) N82Y probably damaging Het
Vmn1r60 T A 7: 5,547,201 (GRCm39) M300L probably benign Het
Wdr17 G A 8: 55,112,716 (GRCm39) A788V possibly damaging Het
Wwtr1 A T 3: 57,482,658 (GRCm39) V63E probably benign Het
Ylpm1 A G 12: 85,060,735 (GRCm39) probably benign Het
Zfp956 T C 6: 47,928,012 (GRCm39) probably benign Het
Other mutations in Spib
AlleleSourceChrCoordTypePredicted EffectPPH Score
R0166:Spib UTSW 7 44,179,324 (GRCm39) missense probably damaging 1.00
R1991:Spib UTSW 7 44,178,281 (GRCm39) missense probably benign 0.01
R1992:Spib UTSW 7 44,178,281 (GRCm39) missense probably benign 0.01
R2253:Spib UTSW 7 44,179,392 (GRCm39) missense probably benign 0.02
R2267:Spib UTSW 7 44,178,348 (GRCm39) missense probably benign
R4732:Spib UTSW 7 44,178,309 (GRCm39) missense probably damaging 1.00
R4733:Spib UTSW 7 44,178,309 (GRCm39) missense probably damaging 1.00
R8038:Spib UTSW 7 44,179,310 (GRCm39) missense probably benign
R9486:Spib UTSW 7 44,178,815 (GRCm39) missense possibly damaging 0.62
Predicted Primers PCR Primer
(F):5'- TCTAGGGAGAGCTGAGAACC -3'
(R):5'- TAACGCTGGTATCCAACACC -3'

Sequencing Primer
(F):5'- GAACCCTGACTGCCCTCATATGG -3'
(R):5'- TGGTATCCAACACCCTGCAGG -3'
Posted On 2016-08-04