Incidental Mutation 'R9103:Top3a'
ID 691832
Institutional Source Beutler Lab
Gene Symbol Top3a
Ensembl Gene ENSMUSG00000002814
Gene Name topoisomerase (DNA) III alpha
Synonyms Top IIIa
MMRRC Submission
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9103 (G1)
Quality Score 225.009
Status Validated
Chromosome 11
Chromosomal Location 60630884-60668191 bp(-) (GRCm39)
Type of Mutation critical splice acceptor site
DNA Base Change (assembly) T to G at 60654253 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000002891 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002891] [ENSMUST00000102668] [ENSMUST00000117743] [ENSMUST00000120417] [ENSMUST00000130068]
AlphaFold O70157
Predicted Effect probably null
Transcript: ENSMUST00000002891
SMART Domains Protein: ENSMUSP00000002891
Gene: ENSMUSG00000002814

DomainStartEndE-ValueType
TOPRIM 35 169 5.04e-24 SMART
TOP1Bc 172 269 4.99e-37 SMART
TOP1Ac 315 569 1.47e-107 SMART
Pfam:zf-C4_Topoisom 655 694 1.7e-15 PFAM
Pfam:zf-GRF 813 854 9.7e-23 PFAM
low complexity region 884 896 N/A INTRINSIC
Pfam:zf-GRF 897 941 7.9e-24 PFAM
ZnF_C2HC 985 1001 7.06e-2 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000102668
SMART Domains Protein: ENSMUSP00000099729
Gene: ENSMUSG00000002814

DomainStartEndE-ValueType
TOPRIM 35 169 5.04e-24 SMART
TOP1Bc 172 269 4.99e-37 SMART
TOP1Ac 315 569 1.47e-107 SMART
Pfam:zf-C4_Topoisom 655 694 5.9e-16 PFAM
Pfam:zf-GRF 813 854 2.6e-21 PFAM
low complexity region 884 896 N/A INTRINSIC
Pfam:zf-GRF 897 941 4.2e-22 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000117743
SMART Domains Protein: ENSMUSP00000113057
Gene: ENSMUSG00000002814

DomainStartEndE-ValueType
TOPRIM 10 144 5.04e-24 SMART
TOP1Bc 147 244 4.99e-37 SMART
TOP1Ac 290 544 1.47e-107 SMART
Pfam:zf-C4_Topoisom 630 669 4.6e-16 PFAM
ZnF_C2HC 755 771 7.06e-2 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000120417
SMART Domains Protein: ENSMUSP00000113653
Gene: ENSMUSG00000002814

DomainStartEndE-ValueType
TOPRIM 10 144 5.04e-24 SMART
TOP1Bc 147 244 4.99e-37 SMART
TOP1Ac 290 544 1.47e-107 SMART
Pfam:zf-C4_Topoisom 630 666 1.9e-13 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000130068
SMART Domains Protein: ENSMUSP00000115727
Gene: ENSMUSG00000002814

DomainStartEndE-ValueType
PDB:4CGY|A 1 85 2e-48 PDB
SCOP:d1gkub3 5 85 7e-12 SMART
Blast:TOPRIM 10 85 7e-50 BLAST
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.3%
Validation Efficiency 100% (73/73)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a DNA topoisomerase, an enzyme that controls and alters the topologic states of DNA during transcription. This enzyme catalyzes the transient breaking and rejoining of a single strand of DNA which allows the strands to pass through one another, thus reducing the number of supercoils and altering the topology of DNA. This enzyme forms a complex with BLM which functions in the regulation of recombination in somatic cells. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2016]
PHENOTYPE: Mice homozygous for a null allele die shortly after implantation and the induction of decidual reaction. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam6b T A 12: 113,454,558 (GRCm39) C458* probably null Het
Adgra2 G A 8: 27,603,436 (GRCm39) G407D probably damaging Het
Aox4 G A 1: 58,296,441 (GRCm39) G1046E probably damaging Het
Arhgap27 A G 11: 103,251,540 (GRCm39) Y63H probably damaging Het
Ascl3 A T 7: 109,327,127 (GRCm39) M64K probably benign Het
Cacna2d3 G A 14: 29,068,971 (GRCm39) T252I probably damaging Het
Capn7 A G 14: 31,091,732 (GRCm39) T710A probably benign Het
Carmil1 A G 13: 24,295,836 (GRCm39) C393R probably benign Het
Chd5 A C 4: 152,461,444 (GRCm39) E1215A possibly damaging Het
Cntnap1 A G 11: 101,072,094 (GRCm39) N449S probably benign Het
Cpz G A 5: 35,675,054 (GRCm39) S65L probably benign Het
Cyp2c68 T A 19: 39,727,625 (GRCm39) N118I possibly damaging Het
Ddx25 A T 9: 35,458,085 (GRCm39) F345I probably benign Het
Dennd2d T C 3: 106,397,684 (GRCm39) Y161H Het
Egfl8 C T 17: 34,833,210 (GRCm39) D179N probably benign Het
Eif2a A G 3: 58,452,461 (GRCm39) N174S Het
Farp1 C T 14: 121,509,104 (GRCm39) H643Y possibly damaging Het
Fat1 G T 8: 45,404,850 (GRCm39) V534L probably benign Het
Fbxo48 A G 11: 16,903,556 (GRCm39) T61A probably benign Het
Fnbp4 A G 2: 90,608,187 (GRCm39) T970A probably benign Het
Foxd1 T A 13: 98,491,763 (GRCm39) D212E possibly damaging Het
Fstl4 C A 11: 52,664,696 (GRCm39) H9N probably benign Het
Fyb1 A G 15: 6,673,232 (GRCm39) D622G possibly damaging Het
Gm4787 T A 12: 81,425,489 (GRCm39) H223L probably benign Het
Grin3a A G 4: 49,771,179 (GRCm39) V531A probably damaging Het
Gzmb T C 14: 56,498,622 (GRCm39) D42G probably benign Het
Herc2 T A 7: 55,784,803 (GRCm39) Y1416N possibly damaging Het
Hps4 G A 5: 112,525,905 (GRCm39) S642N possibly damaging Het
Hsd17b6 A G 10: 127,833,876 (GRCm39) W2R probably damaging Het
Hspa4l T C 3: 40,715,349 (GRCm39) probably null Het
Igtp A G 11: 58,097,726 (GRCm39) E299G Het
Klhl28 T C 12: 64,990,300 (GRCm39) D547G possibly damaging Het
Leng8 G C 7: 4,146,897 (GRCm39) R473P probably damaging Het
Lin37 T A 7: 30,257,055 (GRCm39) N53Y possibly damaging Het
Lrp1 G A 10: 127,430,979 (GRCm39) Q357* probably null Het
Lrrfip2 A T 9: 111,034,840 (GRCm39) K176N probably damaging Het
Ltbp4 A G 7: 27,028,186 (GRCm39) S390P unknown Het
Map3k2 G A 18: 32,353,625 (GRCm39) R465H possibly damaging Het
Mthfd1 T A 12: 76,350,517 (GRCm39) V665E probably damaging Het
Myh3 A T 11: 66,989,451 (GRCm39) I1524F probably benign Het
Myo1g A G 11: 6,466,153 (GRCm39) S339P possibly damaging Het
Nf1 A G 11: 79,450,332 (GRCm39) K506R probably damaging Het
Nudt21 A G 8: 94,746,321 (GRCm39) I225T probably benign Het
Or4c31 A G 2: 88,291,942 (GRCm39) K105R probably benign Het
Or56b1b A T 7: 108,164,780 (GRCm39) L74Q probably benign Het
Or5g9 T A 2: 85,552,527 (GRCm39) Y259* probably null Het
Or8b3 A G 9: 38,314,518 (GRCm39) Y116C probably damaging Het
Or8c18 A T 9: 38,203,969 (GRCm39) I243F probably damaging Het
Pax2 C T 19: 44,806,968 (GRCm39) T299I probably benign Het
Pde4dip C T 3: 97,749,044 (GRCm39) S99N probably damaging Het
Pdlim5 T A 3: 142,010,174 (GRCm39) H147L possibly damaging Het
Pfkfb3 T A 2: 11,487,381 (GRCm39) Y343F probably damaging Het
Phf10 A G 17: 15,174,382 (GRCm39) I232T probably damaging Het
Plcb3 C T 19: 6,936,288 (GRCm39) G745D probably benign Het
Pramel11 G A 4: 143,624,381 (GRCm39) L39F probably damaging Het
Recql C A 6: 142,322,515 (GRCm39) C129F possibly damaging Het
Rrp1 C T 10: 78,240,876 (GRCm39) D288N unknown Het
Samd4 T C 14: 47,254,066 (GRCm39) Y177H probably benign Het
Sim1 T A 10: 50,785,525 (GRCm39) M198K possibly damaging Het
Six4 T C 12: 73,155,964 (GRCm39) I334M probably damaging Het
Slc27a6 T C 18: 58,705,268 (GRCm39) S217P probably damaging Het
Slc2a4 T A 11: 69,836,218 (GRCm39) K264N probably benign Het
Slc8b1 A T 5: 120,670,939 (GRCm39) I476F probably benign Het
Smcp T C 3: 92,491,838 (GRCm39) D3G unknown Het
Tagap A T 17: 8,152,335 (GRCm39) M507L probably benign Het
Thap11 A G 8: 106,582,780 (GRCm39) E263G probably damaging Het
Tmco1 C T 1: 167,136,132 (GRCm39) probably benign Het
Ube2q2l T A 6: 136,378,011 (GRCm39) D273V probably benign Het
Vmn1r31 A G 6: 58,449,073 (GRCm39) V264A unknown Het
Vti1a A C 19: 55,316,865 (GRCm39) M81L probably benign Het
Wscd1 T C 11: 71,674,245 (GRCm39) probably null Het
Zfp595 T C 13: 67,464,676 (GRCm39) E532G probably damaging Het
Zranb1 T A 7: 132,584,167 (GRCm39) V539D probably damaging Het
Other mutations in Top3a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01712:Top3a APN 11 60,652,562 (GRCm39) missense probably damaging 1.00
IGL02935:Top3a APN 11 60,653,354 (GRCm39) missense possibly damaging 0.53
R0057:Top3a UTSW 11 60,631,510 (GRCm39) missense probably benign
R0057:Top3a UTSW 11 60,631,510 (GRCm39) missense probably benign
R0369:Top3a UTSW 11 60,633,615 (GRCm39) missense probably damaging 1.00
R1171:Top3a UTSW 11 60,641,419 (GRCm39) missense probably benign 0.02
R1459:Top3a UTSW 11 60,650,188 (GRCm39) missense probably damaging 1.00
R1621:Top3a UTSW 11 60,641,433 (GRCm39) missense probably damaging 1.00
R1812:Top3a UTSW 11 60,650,188 (GRCm39) missense probably damaging 1.00
R1839:Top3a UTSW 11 60,644,714 (GRCm39) missense probably damaging 1.00
R1873:Top3a UTSW 11 60,638,810 (GRCm39) nonsense probably null
R2004:Top3a UTSW 11 60,633,315 (GRCm39) missense probably damaging 0.99
R2277:Top3a UTSW 11 60,636,700 (GRCm39) missense possibly damaging 0.95
R2406:Top3a UTSW 11 60,646,838 (GRCm39) missense probably damaging 1.00
R2418:Top3a UTSW 11 60,638,842 (GRCm39) missense possibly damaging 0.95
R3196:Top3a UTSW 11 60,650,182 (GRCm39) missense probably damaging 1.00
R3879:Top3a UTSW 11 60,634,765 (GRCm39) missense possibly damaging 0.92
R4695:Top3a UTSW 11 60,633,238 (GRCm39) missense probably benign 0.40
R4715:Top3a UTSW 11 60,633,823 (GRCm39) nonsense probably null
R4768:Top3a UTSW 11 60,653,316 (GRCm39) missense probably damaging 1.00
R4910:Top3a UTSW 11 60,643,204 (GRCm39) splice site probably benign
R5305:Top3a UTSW 11 60,653,365 (GRCm39) missense possibly damaging 0.56
R5387:Top3a UTSW 11 60,653,316 (GRCm39) missense probably damaging 1.00
R5419:Top3a UTSW 11 60,653,348 (GRCm39) missense probably damaging 1.00
R5806:Top3a UTSW 11 60,667,746 (GRCm39) critical splice donor site probably null
R6162:Top3a UTSW 11 60,636,763 (GRCm39) missense probably damaging 1.00
R6279:Top3a UTSW 11 60,640,234 (GRCm39) missense probably benign 0.02
R6300:Top3a UTSW 11 60,640,234 (GRCm39) missense probably benign 0.02
R6381:Top3a UTSW 11 60,634,849 (GRCm39) missense probably damaging 1.00
R6383:Top3a UTSW 11 60,640,285 (GRCm39) missense probably benign 0.30
R6767:Top3a UTSW 11 60,641,579 (GRCm39) missense possibly damaging 0.84
R6919:Top3a UTSW 11 60,640,319 (GRCm39) missense probably damaging 1.00
R7299:Top3a UTSW 11 60,638,974 (GRCm39) missense probably damaging 0.99
R7301:Top3a UTSW 11 60,638,974 (GRCm39) missense probably damaging 0.99
R7442:Top3a UTSW 11 60,644,744 (GRCm39) missense possibly damaging 0.66
R7690:Top3a UTSW 11 60,647,206 (GRCm39) missense probably damaging 1.00
R7786:Top3a UTSW 11 60,667,792 (GRCm39) missense probably damaging 1.00
R7792:Top3a UTSW 11 60,633,790 (GRCm39) missense probably benign
R8790:Top3a UTSW 11 60,631,363 (GRCm39) missense possibly damaging 0.87
R8818:Top3a UTSW 11 60,633,877 (GRCm39) missense probably damaging 1.00
R8867:Top3a UTSW 11 60,633,481 (GRCm39) missense probably benign 0.00
R8914:Top3a UTSW 11 60,631,405 (GRCm39) missense probably damaging 1.00
R9031:Top3a UTSW 11 60,636,695 (GRCm39) missense probably damaging 0.99
R9102:Top3a UTSW 11 60,647,155 (GRCm39) missense probably damaging 1.00
R9130:Top3a UTSW 11 60,641,401 (GRCm39) critical splice donor site probably null
R9548:Top3a UTSW 11 60,644,768 (GRCm39) missense probably benign 0.19
R9578:Top3a UTSW 11 60,647,517 (GRCm39) missense probably damaging 0.99
R9732:Top3a UTSW 11 60,640,391 (GRCm39) missense probably benign 0.01
R9774:Top3a UTSW 11 60,638,998 (GRCm39) missense probably damaging 0.98
X0063:Top3a UTSW 11 60,641,470 (GRCm39) nonsense probably null
X0065:Top3a UTSW 11 60,654,224 (GRCm39) missense probably damaging 1.00
Z1176:Top3a UTSW 11 60,633,463 (GRCm39) missense probably benign 0.32
Z1177:Top3a UTSW 11 60,633,642 (GRCm39) missense possibly damaging 0.56
Z1186:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1187:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1188:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1189:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1190:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1191:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Z1192:Top3a UTSW 11 60,641,410 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- GGGTTAAAGGTCAGAGGATCCA -3'
(R):5'- GCCAACACTACTCTTAGCATCTTG -3'

Sequencing Primer
(F):5'- GTCTTGGCTTCTATAAGAAAGCAGGC -3'
(R):5'- GAATGCTAGAGTGTCAAGTTGCATC -3'
Posted On 2021-12-30