Incidental Mutation 'R1625:Sf3b1'
ID 174934
Institutional Source Beutler Lab
Gene Symbol Sf3b1
Ensembl Gene ENSMUSG00000025982
Gene Name splicing factor 3b, subunit 1
Synonyms Prp10, SAP155, SF3b155, 2810001M05Rik, Targ4
MMRRC Submission 039662-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1625 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 55024328-55066640 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 55058536 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 18 (I18F)
Ref Sequence ENSEMBL: ENSMUSP00000139469 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027127] [ENSMUST00000191303]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000027127
AA Change: I18F

PolyPhen 2 Score 0.105 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000027127
Gene: ENSMUSG00000025982
AA Change: I18F

DomainStartEndE-ValueType
coiled coil region 1 30 N/A INTRINSIC
low complexity region 65 75 N/A INTRINSIC
internal_repeat_1 185 276 1.77e-12 PROSPERO
Pfam:SF3b1 329 452 1.2e-51 PFAM
SCOP:d1qbkb_ 489 1289 5e-62 SMART
Blast:ARM 593 637 6e-13 BLAST
Blast:ARM 1005 1044 7e-14 BLAST
Predicted Effect noncoding transcript
Transcript: ENSMUST00000187500
Predicted Effect noncoding transcript
Transcript: ENSMUST00000188419
Predicted Effect noncoding transcript
Transcript: ENSMUST00000188859
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189051
Predicted Effect probably damaging
Transcript: ENSMUST00000191303
AA Change: I18F

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000139469
Gene: ENSMUSG00000025982
AA Change: I18F

DomainStartEndE-ValueType
coiled coil region 1 30 N/A INTRINSIC
low complexity region 65 75 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.3%
  • 20x: 89.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes subunit 1 of the splicing factor 3b protein complex. Splicing factor 3b, together with splicing factor 3a and a 12S RNA unit, forms the U2 small nuclear ribonucleoproteins complex (U2 snRNP). The splicing factor 3b/3a complex binds pre-mRNA upstream of the intron's branch site in a sequence independent manner and may anchor the U2 snRNP to the pre-mRNA. Splicing factor 3b is also a component of the minor U12-type spliceosome. The carboxy-terminal two-thirds of subunit 1 have 22 non-identical, tandem HEAT repeats that form rod-like, helical structures. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null embryos die around the 16- to 32-cell stage. Heterozygous mice exhibit various skeletal transformations. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8b T A 11: 109,857,947 (GRCm39) M605L probably benign Het
Abcc5 A T 16: 20,184,567 (GRCm39) S1031T probably damaging Het
Acot7 T A 4: 152,270,748 (GRCm39) C31S probably benign Het
Acss3 A T 10: 106,773,263 (GRCm39) probably null Het
Adipor1 T C 1: 134,351,802 (GRCm39) F83S possibly damaging Het
Agrn G A 4: 156,257,317 (GRCm39) S1171L probably damaging Het
Aoc1l1 T A 6: 48,952,105 (GRCm39) L10Q probably damaging Het
Arhgap5 T A 12: 52,564,159 (GRCm39) C377S probably benign Het
Arid4b T A 13: 14,361,699 (GRCm39) V721D probably damaging Het
Aspm G A 1: 139,408,777 (GRCm39) A2555T probably benign Het
Atp6v0a1 T A 11: 100,946,380 (GRCm39) L791Q probably damaging Het
Car11 A G 7: 45,350,731 (GRCm39) K76E probably benign Het
Casp8ap2 T A 4: 32,648,068 (GRCm39) M1925K probably benign Het
Cc2d1a A T 8: 84,866,001 (GRCm39) L418Q probably damaging Het
Ccl9 G A 11: 83,466,736 (GRCm39) R64W probably damaging Het
Cfap20dc A G 14: 8,431,668 (GRCm38) Y655H probably damaging Het
Cfap43 T A 19: 47,739,527 (GRCm39) K1325N probably damaging Het
Dars2 G A 1: 160,881,614 (GRCm39) P305L possibly damaging Het
Ddx11 C T 17: 66,457,692 (GRCm39) T859I probably benign Het
Dock7 C T 4: 98,850,433 (GRCm39) probably null Het
Efcab6 A G 15: 83,831,839 (GRCm39) V570A probably benign Het
Fermt1 T A 2: 132,764,751 (GRCm39) I369F probably damaging Het
Fras1 A G 5: 96,861,849 (GRCm39) Y2161C probably damaging Het
Fras1 C A 5: 96,857,837 (GRCm39) P2044T possibly damaging Het
Gucy1a1 T C 3: 82,009,362 (GRCm39) I549V probably benign Het
Hspg2 G A 4: 137,246,282 (GRCm39) S1020N probably benign Het
Kif21a A G 15: 90,826,378 (GRCm39) S1360P probably damaging Het
Lrp3 T C 7: 34,903,350 (GRCm39) Y332C probably damaging Het
Ltc4s C A 11: 50,128,215 (GRCm39) A32S possibly damaging Het
Mgrn1 T C 16: 4,728,627 (GRCm39) L84P probably damaging Het
Muc2 C G 7: 141,283,405 (GRCm39) C672W probably damaging Het
Mvp A T 7: 126,600,845 (GRCm39) V52E probably damaging Het
Ndrg2 T C 14: 52,144,420 (GRCm39) T269A probably damaging Het
Notch2 T A 3: 98,018,891 (GRCm39) D684E probably damaging Het
Nup205 A G 6: 35,168,878 (GRCm39) D316G probably benign Het
Or12e7 T A 2: 87,288,016 (GRCm39) I169K probably damaging Het
Or2v2 T C 11: 49,004,071 (GRCm39) M161V probably benign Het
Or7d11 A G 9: 19,966,678 (GRCm39) L27P probably damaging Het
Pcsk1 A T 13: 75,274,971 (GRCm39) D520V probably benign Het
Pik3cg A T 12: 32,244,741 (GRCm39) D904E probably damaging Het
Pitpnm2 T A 5: 124,271,496 (GRCm39) D359V probably benign Het
Ppih T C 4: 119,175,779 (GRCm39) I69V probably damaging Het
Rab11fip3 T C 17: 26,287,865 (GRCm39) E96G possibly damaging Het
Retreg3 C A 11: 100,992,875 (GRCm39) M1I probably null Het
Rfpl4 C T 7: 5,118,409 (GRCm39) V54I possibly damaging Het
Rif1 T C 2: 51,993,652 (GRCm39) I855T probably benign Het
Rrm1 T A 7: 102,117,554 (GRCm39) I748N probably damaging Het
Sap130 T A 18: 31,807,517 (GRCm39) N441K probably damaging Het
Skor2 A G 18: 76,946,499 (GRCm39) N74D unknown Het
Slc17a6 C A 7: 51,311,208 (GRCm39) F307L probably benign Het
Slc25a13 G A 6: 6,096,675 (GRCm39) L410F probably damaging Het
Slc47a1 A T 11: 61,262,625 (GRCm39) V38E probably damaging Het
Slc8a1 T A 17: 81,956,670 (GRCm39) T123S probably damaging Het
Slc9a5 C A 8: 106,094,755 (GRCm39) T782K possibly damaging Het
Spmip7 C A 11: 11,438,644 (GRCm39) probably benign Het
Sppl2c C A 11: 104,077,995 (GRCm39) T265K probably damaging Het
Srfbp1 A G 18: 52,621,788 (GRCm39) K283R probably benign Het
Ssr1 C T 13: 38,173,479 (GRCm39) probably null Het
Stard3nl T C 13: 19,556,754 (GRCm39) probably null Het
Timeless G T 10: 128,076,493 (GRCm39) S134I probably damaging Het
Tll1 A G 8: 64,494,476 (GRCm39) F760L probably damaging Het
Tspear A G 10: 77,706,333 (GRCm39) I368V probably benign Het
Txnrd2 G T 16: 18,257,116 (GRCm39) W144L probably damaging Het
Unc5d T C 8: 29,173,234 (GRCm39) E668G probably damaging Het
Urb1 C T 16: 90,570,936 (GRCm39) probably null Het
Uts2r A G 11: 121,052,033 (GRCm39) Y299C probably damaging Het
Vmn1r66 G T 7: 10,008,316 (GRCm39) T239K probably benign Het
Vps39 C T 2: 120,154,106 (GRCm39) V630M probably damaging Het
Wrn T C 8: 33,819,158 (GRCm39) T22A probably benign Het
Zfp7 T A 15: 76,765,374 (GRCm39) D22E probably damaging Het
Other mutations in Sf3b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00754:Sf3b1 APN 1 55,026,645 (GRCm39) missense probably damaging 1.00
IGL00815:Sf3b1 APN 1 55,036,090 (GRCm39) splice site probably benign
IGL01380:Sf3b1 APN 1 55,027,108 (GRCm39) missense probably damaging 1.00
IGL01390:Sf3b1 APN 1 55,026,588 (GRCm39) missense probably benign 0.17
IGL02974:Sf3b1 APN 1 55,046,866 (GRCm39) missense probably benign 0.00
IGL03159:Sf3b1 APN 1 55,051,372 (GRCm39) missense probably benign
Colt UTSW 1 55,036,315 (GRCm39) missense probably benign 0.45
Glock UTSW 1 55,040,205 (GRCm39) missense probably damaging 0.96
Handgun UTSW 1 55,046,666 (GRCm39) missense probably damaging 1.00
Kalashnikov UTSW 1 55,058,424 (GRCm39) missense probably damaging 0.99
Magazine UTSW 1 55,051,341 (GRCm39) nonsense probably null
Revolver UTSW 1 55,058,548 (GRCm39) nonsense probably null
R0053:Sf3b1 UTSW 1 55,039,532 (GRCm39) nonsense probably null
R0053:Sf3b1 UTSW 1 55,039,532 (GRCm39) nonsense probably null
R0190:Sf3b1 UTSW 1 55,029,465 (GRCm39) missense probably damaging 0.99
R0277:Sf3b1 UTSW 1 55,058,416 (GRCm39) missense probably damaging 0.99
R0323:Sf3b1 UTSW 1 55,058,416 (GRCm39) missense probably damaging 0.99
R0369:Sf3b1 UTSW 1 55,037,267 (GRCm39) missense probably benign 0.10
R0396:Sf3b1 UTSW 1 55,058,430 (GRCm39) missense probably damaging 1.00
R0718:Sf3b1 UTSW 1 55,058,544 (GRCm39) missense probably damaging 0.99
R0991:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1082:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1083:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1084:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1196:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1376:Sf3b1 UTSW 1 55,058,424 (GRCm39) missense probably damaging 0.99
R1376:Sf3b1 UTSW 1 55,058,424 (GRCm39) missense probably damaging 0.99
R1381:Sf3b1 UTSW 1 55,042,313 (GRCm39) missense probably damaging 0.99
R1436:Sf3b1 UTSW 1 55,040,580 (GRCm39) missense possibly damaging 0.72
R1559:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1560:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1561:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1567:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1568:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1588:Sf3b1 UTSW 1 55,036,336 (GRCm39) missense probably benign 0.05
R1694:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense possibly damaging 0.89
R1735:Sf3b1 UTSW 1 55,039,811 (GRCm39) missense probably damaging 1.00
R1900:Sf3b1 UTSW 1 55,037,347 (GRCm39) missense possibly damaging 0.75
R2186:Sf3b1 UTSW 1 55,046,792 (GRCm39) missense probably benign
R2429:Sf3b1 UTSW 1 55,055,960 (GRCm39) missense possibly damaging 0.71
R2473:Sf3b1 UTSW 1 55,038,785 (GRCm39) critical splice donor site probably null
R3772:Sf3b1 UTSW 1 55,039,150 (GRCm39) intron probably benign
R3911:Sf3b1 UTSW 1 55,058,548 (GRCm39) nonsense probably null
R3970:Sf3b1 UTSW 1 55,051,341 (GRCm39) nonsense probably null
R4706:Sf3b1 UTSW 1 55,029,666 (GRCm39) missense probably damaging 1.00
R4707:Sf3b1 UTSW 1 55,029,666 (GRCm39) missense probably damaging 1.00
R4964:Sf3b1 UTSW 1 55,038,871 (GRCm39) missense probably benign
R5053:Sf3b1 UTSW 1 55,036,336 (GRCm39) missense probably benign 0.05
R5358:Sf3b1 UTSW 1 55,042,469 (GRCm39) missense probably benign 0.09
R5379:Sf3b1 UTSW 1 55,042,309 (GRCm39) missense possibly damaging 0.94
R5628:Sf3b1 UTSW 1 55,037,334 (GRCm39) missense probably benign 0.27
R5636:Sf3b1 UTSW 1 55,036,352 (GRCm39) missense probably damaging 1.00
R6013:Sf3b1 UTSW 1 55,039,457 (GRCm39) missense probably damaging 0.98
R6149:Sf3b1 UTSW 1 55,046,666 (GRCm39) missense probably damaging 1.00
R6217:Sf3b1 UTSW 1 55,046,677 (GRCm39) missense probably damaging 1.00
R6426:Sf3b1 UTSW 1 55,038,814 (GRCm39) missense probably benign 0.01
R6531:Sf3b1 UTSW 1 55,058,554 (GRCm39) missense probably damaging 0.99
R6945:Sf3b1 UTSW 1 55,036,315 (GRCm39) missense probably benign 0.45
R7001:Sf3b1 UTSW 1 55,053,640 (GRCm39) critical splice donor site probably null
R7001:Sf3b1 UTSW 1 55,040,205 (GRCm39) missense probably damaging 0.96
R7302:Sf3b1 UTSW 1 55,055,949 (GRCm39) missense probably benign 0.00
R7644:Sf3b1 UTSW 1 55,036,302 (GRCm39) nonsense probably null
R7664:Sf3b1 UTSW 1 55,026,626 (GRCm39) missense probably damaging 1.00
R7735:Sf3b1 UTSW 1 55,042,508 (GRCm39) missense probably benign 0.29
R7809:Sf3b1 UTSW 1 55,034,614 (GRCm39) missense possibly damaging 0.60
R8516:Sf3b1 UTSW 1 55,051,262 (GRCm39) missense probably null 0.01
R8871:Sf3b1 UTSW 1 55,029,508 (GRCm39) missense probably damaging 1.00
R8947:Sf3b1 UTSW 1 55,039,444 (GRCm39) missense probably damaging 1.00
R9216:Sf3b1 UTSW 1 55,051,376 (GRCm39) missense probably benign 0.00
Z1177:Sf3b1 UTSW 1 55,042,561 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- GCCCAGTGAGGACCCTAGTATTAAGC -3'
(R):5'- TCCTTTCACCTGATGAGGTCAGGAG -3'

Sequencing Primer
(F):5'- cacacacacacacacacac -3'
(R):5'- GAGGTCAGGAGATACATGTGTAGAT -3'
Posted On 2014-04-24