Incidental Mutation 'R4230:Spi1'
ID 320767
Institutional Source Beutler Lab
Gene Symbol Spi1
Ensembl Gene ENSMUSG00000002111
Gene Name spleen focus forming virus (SFFV) proviral integration oncogene
Synonyms Dis-1, Sfpi-1, Tcfpu1, Sfpi1, Spi-1, PU.1, Tfpu.1
MMRRC Submission 041049-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4230 (G1)
Quality Score 200
Status Not validated
Chromosome 2
Chromosomal Location 90912750-90946104 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 90945680 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 254 (F254L)
Ref Sequence ENSEMBL: ENSMUSP00000002180 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002180] [ENSMUST00000111430] [ENSMUST00000132741] [ENSMUST00000137942] [ENSMUST00000169776] [ENSMUST00000169852]
AlphaFold P17433
PDB Structure PU.1 ETS DOMAIN-DNA COMPLEX [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000002180
AA Change: F254L

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000002180
Gene: ENSMUSG00000002111
AA Change: F254L

DomainStartEndE-ValueType
low complexity region 56 73 N/A INTRINSIC
low complexity region 78 85 N/A INTRINSIC
low complexity region 154 167 N/A INTRINSIC
ETS 171 259 9.71e-43 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000111430
SMART Domains Protein: ENSMUSP00000107058
Gene: ENSMUSG00000002100

DomainStartEndE-ValueType
IG 24 103 4.86e-2 SMART
low complexity region 131 143 N/A INTRINSIC
IG 167 263 2.81e-7 SMART
IG 373 453 1.25e-4 SMART
IG 463 544 2.48e-8 SMART
IG 554 640 3.16e-1 SMART
IG 659 772 3.91e-6 SMART
FN3 775 858 2.5e-11 SMART
FN3 873 956 7.06e-11 SMART
IG 983 1066 3.3e-4 SMART
FN3 1069 1151 4.38e-7 SMART
IGc2 1196 1263 6.21e-9 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000132741
Predicted Effect probably benign
Transcript: ENSMUST00000137942
SMART Domains Protein: ENSMUSP00000119994
Gene: ENSMUSG00000002100

DomainStartEndE-ValueType
IG 3 99 2.81e-7 SMART
low complexity region 135 152 N/A INTRINSIC
IG 209 289 1.25e-4 SMART
IG 299 380 2.48e-8 SMART
IG 390 476 3.16e-1 SMART
IG 495 608 3.91e-6 SMART
FN3 611 694 2.5e-11 SMART
FN3 709 792 7.06e-11 SMART
IG 819 902 3.3e-4 SMART
FN3 905 987 4.38e-7 SMART
IGc2 1032 1099 6.21e-9 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000169776
SMART Domains Protein: ENSMUSP00000127070
Gene: ENSMUSG00000002100

DomainStartEndE-ValueType
IG 24 103 4.86e-2 SMART
low complexity region 131 143 N/A INTRINSIC
IG 167 263 2.81e-7 SMART
IG 374 454 1.25e-4 SMART
IG 464 545 2.48e-8 SMART
IG 555 641 3.16e-1 SMART
IG 660 773 3.91e-6 SMART
FN3 776 859 2.5e-11 SMART
FN3 874 957 7.06e-11 SMART
IG 984 1067 3.3e-4 SMART
FN3 1070 1152 4.38e-7 SMART
IGc2 1197 1264 6.21e-9 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000169852
SMART Domains Protein: ENSMUSP00000130368
Gene: ENSMUSG00000002111

DomainStartEndE-ValueType
low complexity region 50 63 N/A INTRINSIC
low complexity region 123 133 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an ETS-domain transcription factor that activates gene expression during myeloid and B-lymphoid cell development. The nuclear protein binds to a purine-rich sequence known as the PU-box found near the promoters of target genes, and regulates their expression in coordination with other transcription factors and cofactors. The protein can also regulate alternative splicing of target genes. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Nullizygous mice may exhibit fetal or perinatal lethality, absence of myeloid and B cells, and altered T cell and NK cell development. Mice carrying hypomorphic alleles display impaired B-cell and myeloid development, develop T cell derived lymphomas andacute myeloid leukemia, and die prematurely. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 C T 6: 128,557,349 (GRCm39) A115T probably benign Het
Alg11 T A 8: 22,555,534 (GRCm39) I223N probably damaging Het
Ankrd26 G C 6: 118,536,349 (GRCm39) probably null Het
Apbb1 T C 7: 105,216,891 (GRCm39) D264G probably damaging Het
Arhgap32 T C 9: 32,168,770 (GRCm39) Y918H probably benign Het
Astn2 T G 4: 65,829,919 (GRCm39) T584P probably damaging Het
Atxn7 G A 14: 14,100,381 (GRCm38) S689N probably benign Het
Cacna1h T C 17: 25,606,837 (GRCm39) N873S probably damaging Het
Cadps T A 14: 12,488,987 (GRCm38) I857F probably damaging Het
Cfap119 T A 7: 127,186,002 (GRCm39) M102L probably benign Het
Cog6 T C 3: 52,900,229 (GRCm39) T511A probably benign Het
Dppa3 A T 6: 122,606,291 (GRCm39) N118I probably damaging Het
Dst A G 1: 34,234,909 (GRCm39) N3663D probably benign Het
Eif1ad14 A T 12: 87,886,567 (GRCm39) S21T unknown Het
Eme1 G A 11: 94,538,818 (GRCm39) T354M possibly damaging Het
Gm10735 T C 13: 113,177,743 (GRCm39) probably benign Het
Ifi44l A T 3: 151,468,514 (GRCm39) C5* probably null Het
Itln1 G A 1: 171,362,375 (GRCm39) T2I probably benign Het
Jam2 T A 16: 84,618,180 (GRCm39) M309K possibly damaging Het
Kcnk5 C A 14: 20,194,852 (GRCm39) C162F probably damaging Het
Metrn A G 17: 26,015,915 (GRCm39) probably benign Het
Muc5b T A 7: 141,417,259 (GRCm39) Y3402N probably benign Het
Ncoa7 A T 10: 30,574,253 (GRCm39) probably null Het
Nxpe4 A G 9: 48,304,122 (GRCm39) R70G possibly damaging Het
Onecut3 T C 10: 80,349,793 (GRCm39) I429T probably damaging Het
Or2n1 A C 17: 38,486,772 (GRCm39) I266L possibly damaging Het
Or2z9 T C 8: 72,854,188 (GRCm39) Y195H probably damaging Het
Or4k37 T G 2: 111,159,475 (GRCm39) L237R probably damaging Het
Or52e18 A T 7: 104,609,801 (GRCm39) I46N probably benign Het
Pds5a A G 5: 65,787,329 (GRCm39) S858P possibly damaging Het
Phf11c A T 14: 59,630,516 (GRCm39) V63E probably benign Het
Rasa3 A G 8: 13,620,264 (GRCm39) F802L possibly damaging Het
Sec24b G T 3: 129,834,368 (GRCm39) Q141K probably benign Het
Sec61a1 A T 6: 88,492,413 (GRCm39) probably null Het
Slc45a3 T A 1: 131,909,399 (GRCm39) L532Q probably damaging Het
Slc46a2 T C 4: 59,914,048 (GRCm39) I292V probably benign Het
Smg1 C T 7: 117,747,956 (GRCm39) probably null Het
Spag6 T A 2: 18,720,449 (GRCm39) probably null Het
Sspo T C 6: 48,467,868 (GRCm39) S4272P probably benign Het
Tgm5 T C 2: 120,901,216 (GRCm39) T292A probably damaging Het
Tmem229a T A 6: 24,954,831 (GRCm39) I308F probably damaging Het
Ttn T C 2: 76,554,464 (GRCm39) I30784V possibly damaging Het
Urod T A 4: 116,849,880 (GRCm39) T173S probably benign Het
Vmn1r223 A T 13: 23,433,585 (GRCm39) M60L probably benign Het
Vmn2r2 T A 3: 64,041,912 (GRCm39) I268L probably benign Het
Vwa8 C T 14: 79,320,292 (GRCm39) T1101M probably benign Het
Zc3h12c T A 9: 52,055,728 (GRCm39) probably null Het
Other mutations in Spi1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02591:Spi1 APN 2 90,927,295 (GRCm39) start codon destroyed probably null 0.93
R1778:Spi1 UTSW 2 90,929,867 (GRCm39) missense probably damaging 1.00
R1893:Spi1 UTSW 2 90,944,702 (GRCm39) missense probably benign 0.04
R5169:Spi1 UTSW 2 90,945,428 (GRCm39) nonsense probably null
R6025:Spi1 UTSW 2 90,944,685 (GRCm39) missense probably benign
R6877:Spi1 UTSW 2 90,944,741 (GRCm39) missense probably damaging 0.98
R7052:Spi1 UTSW 2 90,943,685 (GRCm39) missense probably damaging 1.00
R8401:Spi1 UTSW 2 90,943,650 (GRCm39) missense probably benign 0.00
R8725:Spi1 UTSW 2 90,945,516 (GRCm39) missense probably damaging 1.00
R9026:Spi1 UTSW 2 90,912,862 (GRCm39) missense unknown
R9546:Spi1 UTSW 2 90,943,617 (GRCm39) missense probably benign 0.08
R9752:Spi1 UTSW 2 90,943,666 (GRCm39) missense probably benign 0.00
X0019:Spi1 UTSW 2 90,927,330 (GRCm39) missense possibly damaging 0.78
Predicted Primers PCR Primer
(F):5'- TGAAGGACAGCATCTGGTGG -3'
(R):5'- ACTTCTCTGGGAGAATAGCTGTC -3'

Sequencing Primer
(F):5'- ACAGCATCTGGTGGGTGGAC -3'
(R):5'- GAAGCACCGTGGCCACTAAG -3'
Posted On 2015-06-12