Incidental Mutation 'R1381:Sf3b1'
ID 162977
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 039443-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1381 (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 55042313 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Leucine at position 497 (I497L)
Ref Sequence ENSEMBL: ENSMUSP00000027127 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027127]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000027127
AA Change: I497L

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000027127
Gene: ENSMUSG00000025982
AA Change: I497L

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: ENSMUST00000188859
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.8%
  • 10x: 94.4%
  • 20x: 86.2%
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: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4932414N04Rik C A 2: 68,561,430 (GRCm39) F252L probably benign Het
Aadac A T 3: 59,947,351 (GRCm39) M350L probably damaging Het
Agtrap G A 4: 148,168,422 (GRCm39) T19I probably damaging Het
Apba3 C T 10: 81,107,590 (GRCm39) T142M possibly damaging Het
Cd55b T A 1: 130,347,412 (GRCm39) K133I probably damaging Het
Cep295 A C 9: 15,233,861 (GRCm39) C2312G probably benign Het
Ces1a A G 8: 93,760,659 (GRCm39) V231A probably damaging Het
Chdh C A 14: 29,758,791 (GRCm39) L579I probably damaging Het
Cyb5r4 T A 9: 86,904,286 (GRCm39) S19T probably benign Het
Cyp2d22 C A 15: 82,256,709 (GRCm39) R355L probably benign Het
Dach2 T C X: 112,208,472 (GRCm39) Y117H probably damaging Het
Dennd4c G A 4: 86,692,769 (GRCm39) R93K probably benign Het
Dph2 G T 4: 117,746,865 (GRCm39) L452I probably damaging Het
Exoc6b T C 6: 84,812,099 (GRCm39) D634G probably benign Het
Fam217b G A 2: 178,062,218 (GRCm39) V61I probably benign Het
Fbln7 A C 2: 128,719,299 (GRCm39) Q32P probably damaging Het
Fgfr1op2 A G 6: 146,490,239 (GRCm39) Y46C probably damaging Het
Fhod3 T A 18: 25,223,528 (GRCm39) I958N probably damaging Het
Foxp2 T A 6: 15,409,765 (GRCm39) M455K possibly damaging Het
Gabrr2 G A 4: 33,081,420 (GRCm39) G152D probably damaging Het
Galntl6 G T 8: 58,925,989 (GRCm39) P92Q probably damaging Het
Gm5592 A T 7: 40,935,596 (GRCm39) T33S probably benign Het
Grid2ip A T 5: 143,348,406 (GRCm39) T166S probably benign Het
Grsf1 G A 5: 88,813,723 (GRCm39) S225L probably benign Het
Hadha G T 5: 30,333,834 (GRCm39) T395K probably benign Het
Hars2 C T 18: 36,922,270 (GRCm39) A295V possibly damaging Het
Hsf5 T A 11: 87,528,995 (GRCm39) S577T probably benign Het
Ice2 A G 9: 69,307,809 (GRCm39) Y31C probably damaging Het
Ift80 A T 3: 68,822,116 (GRCm39) I643N possibly damaging Het
Iglon5 A T 7: 43,126,064 (GRCm39) D222E probably benign Het
Ilvbl C A 10: 78,412,430 (GRCm39) S50R probably damaging Het
Invs C A 4: 48,421,942 (GRCm39) S858* probably null Het
Ipo13 T G 4: 117,761,592 (GRCm39) T508P probably damaging Het
Itgb4 T C 11: 115,885,163 (GRCm39) I1015T probably benign Het
Kank4 A T 4: 98,668,175 (GRCm39) W91R probably damaging Het
Kansl1l C T 1: 66,760,063 (GRCm39) A906T probably benign Het
Klk4 G A 7: 43,534,706 (GRCm39) V222M probably damaging Het
Lipo4 T A 19: 33,476,741 (GRCm39) M336L probably benign Het
Lrig1 T C 6: 94,583,111 (GRCm39) N1002D probably benign Het
Lzts3 A G 2: 130,477,219 (GRCm39) S524P probably damaging Het
Maz A T 7: 126,622,324 (GRCm39) C409* probably null Het
Mmp24 A T 2: 155,656,047 (GRCm39) Q495L possibly damaging Het
Mrgpra9 C T 7: 46,885,050 (GRCm39) V206I possibly damaging Het
Myof A G 19: 37,983,933 (GRCm39) Y124H probably damaging Het
Nalcn A T 14: 123,551,517 (GRCm39) V1030D probably damaging Het
Neb T A 2: 52,150,544 (GRCm39) I2495F probably damaging Het
Nfix G A 8: 85,453,155 (GRCm39) R300C probably damaging Het
Nrbf2 G A 10: 67,103,605 (GRCm39) T166M probably damaging Het
Nup153 T C 13: 46,842,657 (GRCm39) D837G probably damaging Het
Nup210 C A 6: 91,052,942 (GRCm39) G331V probably damaging Het
Or5b97 T C 19: 12,878,320 (GRCm39) T275A probably benign Het
Or5w18 T C 2: 87,633,480 (GRCm39) L245P probably damaging Het
Or6z7 A G 7: 6,484,008 (GRCm39) probably null Het
Or8b56 T A 9: 38,739,634 (GRCm39) S210T probably benign Het
Pabpc4 T A 4: 123,182,852 (GRCm39) L163H probably damaging Het
Pcdh7 T A 5: 57,878,882 (GRCm39) Y126* probably null Het
Pdzd2 A G 15: 12,385,525 (GRCm39) S1082P probably benign Het
Pkd2l1 T C 19: 44,138,902 (GRCm39) I649M probably benign Het
Plcl2 G A 17: 50,914,757 (GRCm39) E589K probably damaging Het
Plppr1 C A 4: 49,337,674 (GRCm39) T325N possibly damaging Het
Prss8 GCTGCCCAAGTCCC GC 7: 127,529,021 (GRCm39) probably benign Het
Ptcd2 A G 13: 99,481,105 (GRCm39) S25P probably benign Het
Ptpro T A 6: 137,420,592 (GRCm39) V1007D probably damaging Het
Rusc2 T A 4: 43,416,137 (GRCm39) V481E probably damaging Het
Sephs2 G T 7: 126,872,139 (GRCm39) T318K probably damaging Het
Slc30a7 C T 3: 115,750,519 (GRCm39) probably null Het
Slc66a2 T G 18: 80,326,529 (GRCm39) S126A probably benign Het
Smarca2 T C 19: 26,608,228 (GRCm39) S96P probably damaging Het
Spata31d1c A C 13: 65,184,368 (GRCm39) I637L probably benign Het
Ston2 A T 12: 91,707,266 (GRCm39) S115T probably damaging Het
Tal2 A C 4: 53,785,999 (GRCm39) E60A probably benign Het
Tdpoz3 A T 3: 93,733,447 (GRCm39) T41S probably benign Het
Tent4b T A 8: 88,969,937 (GRCm39) M203K possibly damaging Het
Tespa1 T C 10: 130,196,560 (GRCm39) I166T probably benign Het
Thsd7a A T 6: 12,555,438 (GRCm39) C149S probably damaging Het
Trav6-1 T A 14: 52,875,967 (GRCm39) probably benign Het
Txnl4a T C 18: 80,250,479 (GRCm39) V25A probably benign Het
Utp4 C A 8: 107,632,908 (GRCm39) P297Q probably benign Het
Vmn1r34 T C 6: 66,613,922 (GRCm39) Y272C probably damaging Het
Vmn2r112 A T 17: 22,837,467 (GRCm39) I643F probably damaging Het
Vmn2r121 C A X: 123,037,837 (GRCm39) G728W probably damaging Het
Vmn2r24 T A 6: 123,763,692 (GRCm39) S190T probably damaging Het
Zfp507 A G 7: 35,475,435 (GRCm39) V926A possibly 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
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
R1625:Sf3b1 UTSW 1 55,058,536 (GRCm39) missense probably damaging 1.00
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'- GCTCAAGCCCTGCCTGAACAA -3'
(R):5'- ACCAGCCATCTGGGAATCTTCCAT -3'

Sequencing Primer
(F):5'- tgggaacaaggggcagg -3'
(R):5'- GCTCTTTGTTTGGGAGTTACAAAT -3'
Posted On 2014-03-17