Incidental Mutation 'R8446:Topbp1'
ID 654504
Institutional Source Beutler Lab
Gene Symbol Topbp1
Ensembl Gene ENSMUSG00000032555
Gene Name topoisomerase (DNA) II binding protein 1
Synonyms 1110031N14Rik, 2810429C13Rik, D430026L04Rik
MMRRC Submission 067827-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8446 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 103182414-103227627 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 103186061 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Isoleucine at position 68 (F68I)
Ref Sequence ENSEMBL: ENSMUSP00000035164 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035164] [ENSMUST00000142540] [ENSMUST00000187065]
AlphaFold Q6ZQF0
Predicted Effect probably damaging
Transcript: ENSMUST00000035164
AA Change: F68I

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000035164
Gene: ENSMUSG00000032555
AA Change: F68I

DomainStartEndE-ValueType
BRCT 6 91 3.04e1 SMART
BRCT 103 179 1.51e-13 SMART
BRCT 197 274 4.69e-19 SMART
BRCT 355 433 3.58e-15 SMART
BRCT 553 626 5.57e-3 SMART
BRCT 646 731 1.53e-9 SMART
BRCT 904 983 3.48e-13 SMART
low complexity region 1097 1106 N/A INTRINSIC
low complexity region 1110 1121 N/A INTRINSIC
low complexity region 1213 1218 N/A INTRINSIC
BRCT 1258 1337 2.31e-9 SMART
Blast:BRCT 1387 1472 4e-52 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000142540
Predicted Effect probably damaging
Transcript: ENSMUST00000187065
AA Change: F68I

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000139773
Gene: ENSMUSG00000032555
AA Change: F68I

DomainStartEndE-ValueType
PDB:2XNH|A 1 130 2e-81 PDB
Blast:BRCT 6 91 8e-58 BLAST
Blast:BRCT 103 130 2e-11 BLAST
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a binding protein which interacts with the C-terminal region of topoisomerase II beta. This interaction suggests a supportive role for this protein in the catalytic reactions of topoisomerase II beta through transient breakages of DNA strands. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele die around implantation due to embryonic growth arrest, increased apoptosis, and decreased cell proliferation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcf2 G A 5: 24,771,641 (GRCm39) R529* probably null Het
Afap1 T A 5: 36,144,645 (GRCm39) S122T Het
Arnt TG T 3: 95,382,014 (GRCm39) probably null Het
Bbs1 G A 19: 4,947,633 (GRCm39) T307I probably benign Het
Cacna1c A T 6: 118,604,411 (GRCm39) S1439T Het
Camk4 T A 18: 33,289,810 (GRCm39) H152Q probably damaging Het
Capn2 A T 1: 182,311,796 (GRCm39) M426K possibly damaging Het
Chrm3 C T 13: 9,928,338 (GRCm39) G233S probably damaging Het
Clca3a1 A T 3: 144,454,248 (GRCm39) Y461N probably damaging Het
Clip1 G C 5: 123,794,008 (GRCm39) P12A probably damaging Het
Cmya5 A G 13: 93,230,336 (GRCm39) L1584P possibly damaging Het
Commd5 T C 15: 76,785,094 (GRCm39) S164P probably damaging Het
Csgalnact1 A G 8: 68,913,743 (GRCm39) V154A probably damaging Het
Ddias C A 7: 92,515,818 (GRCm39) C25F probably damaging Het
Dnah7b A T 1: 46,329,875 (GRCm39) I3240F probably damaging Het
Fam186a T G 15: 99,845,335 (GRCm39) D303A unknown Het
Igkv8-27 A G 6: 70,148,932 (GRCm39) I74T probably damaging Het
Itgb2l G T 16: 96,233,857 (GRCm39) Q278K probably damaging Het
Itgb7 T C 15: 102,127,043 (GRCm39) E464G probably damaging Het
Kdm2a G A 19: 4,406,916 (GRCm39) Q116* probably null Het
Krtap5-2 TCCACAGGAACTACAGCCTCCCTTGCAGCCCCCACAGGAACCACAGCCCCCACAGGAACTACA TCCACAGGAACTACA 7: 141,728,845 (GRCm39) probably benign Het
Larp1 T C 11: 57,942,035 (GRCm39) probably null Het
Lnx2 A G 5: 146,970,169 (GRCm39) L191S probably benign Het
Mtmr7 G A 8: 41,059,927 (GRCm39) A62V possibly damaging Het
Myh4 T A 11: 67,144,347 (GRCm39) M1239K probably benign Het
Nckap5l C A 15: 99,323,930 (GRCm39) G858C probably benign Het
Nelfa A T 5: 34,058,982 (GRCm39) L262Q probably damaging Het
Or2j3 A G 17: 38,615,638 (GRCm39) V238A probably benign Het
Or8b46 A T 9: 38,450,964 (GRCm39) M258L probably benign Het
Pdgfa T C 5: 138,964,395 (GRCm39) T211A unknown Het
Prl3d2 A T 13: 27,307,976 (GRCm39) I86F probably benign Het
Rpf2 T A 10: 40,115,752 (GRCm39) T76S probably benign Het
Setbp1 C T 18: 78,900,971 (GRCm39) D899N probably damaging Het
Slc35c1 T A 2: 92,284,707 (GRCm39) E315D probably benign Het
Slc6a3 A T 13: 73,719,674 (GRCm39) M568L possibly damaging Het
Sorbs1 T C 19: 40,314,602 (GRCm39) M737V probably benign Het
Sox17 A G 1: 4,562,316 (GRCm39) Y295H possibly damaging Het
Tex44 A T 1: 86,354,696 (GRCm39) I202F possibly damaging Het
Tinagl1 C T 4: 130,060,694 (GRCm39) probably null Het
Tlr4 T A 4: 66,757,673 (GRCm39) N155K probably damaging Het
Tmem245 T C 4: 56,906,261 (GRCm39) Q548R probably benign Het
Trim67 G T 8: 125,520,730 (GRCm39) A31S probably damaging Het
Triobp C T 15: 78,878,326 (GRCm39) H1750Y possibly damaging Het
Ttn A C 2: 76,778,553 (GRCm39) M1316R unknown Het
Usp40 T C 1: 87,906,190 (GRCm39) T682A probably benign Het
Wfs1 A T 5: 37,128,953 (GRCm39) D272E probably benign Het
Zfp763 A T 17: 33,238,473 (GRCm39) M224K probably benign Het
Other mutations in Topbp1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00228:Topbp1 APN 9 103,222,142 (GRCm39) missense probably benign
IGL01524:Topbp1 APN 9 103,188,844 (GRCm39) missense possibly damaging 0.92
IGL02335:Topbp1 APN 9 103,205,722 (GRCm39) missense probably damaging 1.00
IGL02441:Topbp1 APN 9 103,197,438 (GRCm39) missense possibly damaging 0.49
IGL02943:Topbp1 APN 9 103,205,639 (GRCm39) missense probably benign 0.00
IGL02953:Topbp1 APN 9 103,205,634 (GRCm39) missense probably benign 0.26
IGL03040:Topbp1 APN 9 103,205,866 (GRCm39) missense possibly damaging 0.51
PIT4377001:Topbp1 UTSW 9 103,187,088 (GRCm39) missense possibly damaging 0.90
R0044:Topbp1 UTSW 9 103,202,972 (GRCm39) missense possibly damaging 0.94
R0344:Topbp1 UTSW 9 103,185,932 (GRCm39) splice site probably benign
R0344:Topbp1 UTSW 9 103,205,886 (GRCm39) missense probably damaging 0.99
R0591:Topbp1 UTSW 9 103,227,037 (GRCm39) missense probably benign 0.01
R0666:Topbp1 UTSW 9 103,186,011 (GRCm39) missense probably benign
R0785:Topbp1 UTSW 9 103,192,289 (GRCm39) missense probably damaging 1.00
R0906:Topbp1 UTSW 9 103,205,792 (GRCm39) missense probably benign 0.00
R1352:Topbp1 UTSW 9 103,224,207 (GRCm39) missense probably benign
R1745:Topbp1 UTSW 9 103,186,044 (GRCm39) missense probably benign 0.36
R2104:Topbp1 UTSW 9 103,195,181 (GRCm39) splice site probably benign
R2166:Topbp1 UTSW 9 103,190,128 (GRCm39) splice site probably null
R2230:Topbp1 UTSW 9 103,223,047 (GRCm39) missense probably damaging 1.00
R2967:Topbp1 UTSW 9 103,219,339 (GRCm39) missense probably benign 0.01
R3845:Topbp1 UTSW 9 103,187,122 (GRCm39) missense possibly damaging 0.87
R4089:Topbp1 UTSW 9 103,201,700 (GRCm39) critical splice donor site probably null
R4110:Topbp1 UTSW 9 103,187,158 (GRCm39) missense probably damaging 0.98
R4454:Topbp1 UTSW 9 103,222,070 (GRCm39) missense probably damaging 1.00
R4521:Topbp1 UTSW 9 103,211,401 (GRCm39) intron probably benign
R4745:Topbp1 UTSW 9 103,200,770 (GRCm39) missense probably damaging 1.00
R4923:Topbp1 UTSW 9 103,190,035 (GRCm39) missense probably benign 0.00
R4934:Topbp1 UTSW 9 103,205,568 (GRCm39) unclassified probably benign
R4963:Topbp1 UTSW 9 103,197,804 (GRCm39) missense probably benign 0.04
R5199:Topbp1 UTSW 9 103,223,871 (GRCm39) unclassified probably benign
R5461:Topbp1 UTSW 9 103,192,395 (GRCm39) missense probably benign 0.00
R5517:Topbp1 UTSW 9 103,213,313 (GRCm39) missense probably benign 0.03
R5563:Topbp1 UTSW 9 103,188,712 (GRCm39) missense possibly damaging 0.46
R5564:Topbp1 UTSW 9 103,211,277 (GRCm39) missense probably damaging 1.00
R5683:Topbp1 UTSW 9 103,190,003 (GRCm39) missense possibly damaging 0.93
R5774:Topbp1 UTSW 9 103,205,698 (GRCm39) missense probably benign 0.06
R5785:Topbp1 UTSW 9 103,200,727 (GRCm39) missense probably benign 0.00
R6029:Topbp1 UTSW 9 103,222,152 (GRCm39) missense probably benign 0.00
R6077:Topbp1 UTSW 9 103,210,189 (GRCm39) missense probably damaging 1.00
R6122:Topbp1 UTSW 9 103,224,160 (GRCm39) missense probably benign 0.06
R6133:Topbp1 UTSW 9 103,188,963 (GRCm39) splice site probably null
R6213:Topbp1 UTSW 9 103,209,950 (GRCm39) missense probably benign 0.12
R6773:Topbp1 UTSW 9 103,220,891 (GRCm39) missense possibly damaging 0.90
R6922:Topbp1 UTSW 9 103,213,045 (GRCm39) missense probably damaging 1.00
R6938:Topbp1 UTSW 9 103,205,753 (GRCm39) missense probably damaging 1.00
R7305:Topbp1 UTSW 9 103,205,836 (GRCm39) missense probably damaging 1.00
R7419:Topbp1 UTSW 9 103,200,543 (GRCm39) missense probably benign
R7517:Topbp1 UTSW 9 103,209,932 (GRCm39) missense possibly damaging 0.82
R7605:Topbp1 UTSW 9 103,209,905 (GRCm39) missense probably benign 0.41
R7701:Topbp1 UTSW 9 103,210,184 (GRCm39) missense probably damaging 0.96
R7741:Topbp1 UTSW 9 103,197,756 (GRCm39) missense probably damaging 0.97
R8115:Topbp1 UTSW 9 103,197,740 (GRCm39) missense probably benign
R8177:Topbp1 UTSW 9 103,197,740 (GRCm39) missense probably benign 0.01
R8269:Topbp1 UTSW 9 103,205,792 (GRCm39) missense possibly damaging 0.67
R8520:Topbp1 UTSW 9 103,186,176 (GRCm39) splice site probably null
R8547:Topbp1 UTSW 9 103,213,264 (GRCm39) missense probably benign 0.00
R8549:Topbp1 UTSW 9 103,201,577 (GRCm39) missense probably damaging 1.00
R9003:Topbp1 UTSW 9 103,200,727 (GRCm39) missense probably benign 0.00
R9006:Topbp1 UTSW 9 103,182,499 (GRCm39) unclassified probably benign
R9163:Topbp1 UTSW 9 103,205,767 (GRCm39) missense probably benign
R9584:Topbp1 UTSW 9 103,219,242 (GRCm39) missense probably damaging 1.00
R9763:Topbp1 UTSW 9 103,223,923 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- CATGCATGGGTCTAGGTGAG -3'
(R):5'- CCAAGGTACTCGTAGCACTC -3'

Sequencing Primer
(F):5'- GCTCTGAGCACTTAGTAGGAC -3'
(R):5'- GGTACTCGTAGCACTCATGATAG -3'
Posted On 2020-10-20