Incidental Mutation 'R5387:Top3a'
ID 425349
Institutional Source Beutler Lab
Gene Symbol Top3a
Ensembl Gene ENSMUSG00000002814
Gene Name topoisomerase (DNA) III alpha
Synonyms Top IIIa
MMRRC Submission 042959-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5387 (G1)
Quality Score 225
Status Validated
Chromosome 11
Chromosomal Location 60630884-60668191 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 60653316 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 53 (F53L)
Ref Sequence ENSEMBL: ENSMUSP00000115727 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002891] [ENSMUST00000102668] [ENSMUST00000117743] [ENSMUST00000120417] [ENSMUST00000130068]
AlphaFold O70157
Predicted Effect probably damaging
Transcript: ENSMUST00000002891
AA Change: F98L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000002891
Gene: ENSMUSG00000002814
AA Change: F98L

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 damaging
Transcript: ENSMUST00000102668
AA Change: F98L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099729
Gene: ENSMUSG00000002814
AA Change: F98L

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 damaging
Transcript: ENSMUST00000117743
AA Change: F73L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000113057
Gene: ENSMUSG00000002814
AA Change: F73L

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 damaging
Transcript: ENSMUST00000120417
AA Change: F73L

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000113653
Gene: ENSMUSG00000002814
AA Change: F73L

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 damaging
Transcript: ENSMUST00000130068
AA Change: F53L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000115727
Gene: ENSMUSG00000002814
AA Change: F53L

DomainStartEndE-ValueType
PDB:4CGY|A 1 85 2e-48 PDB
SCOP:d1gkub3 5 85 7e-12 SMART
Blast:TOPRIM 10 85 7e-50 BLAST
Meta Mutation Damage Score 0.6662 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.0%
Validation Efficiency 99% (80/81)
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2210408I21Rik T A 13: 77,408,092 (GRCm39) S140T probably benign Het
Ahnak T C 19: 8,981,055 (GRCm39) S780P probably damaging Het
Ankhd1 C A 18: 36,767,697 (GRCm39) H1205N probably damaging Het
Ano1 T C 7: 144,202,356 (GRCm39) K139R probably benign Het
Anp32b T G 4: 46,468,573 (GRCm39) C114W probably damaging Het
Ascl1 C T 10: 87,328,551 (GRCm39) A134T probably damaging Het
Atl2 C T 17: 80,160,229 (GRCm39) E453K probably benign Het
Aup1 C T 6: 83,032,005 (GRCm39) A84V probably damaging Het
Btbd7 A T 12: 102,804,044 (GRCm39) M332K probably damaging Het
Cacna1d A G 14: 29,822,708 (GRCm39) V1107A probably damaging Het
Cd33 G A 7: 43,181,477 (GRCm39) Q114* probably null Het
Cdhr18 C A 14: 13,914,438 (GRCm38) M1I probably null Het
Col4a4 C T 1: 82,471,312 (GRCm39) G681E unknown Het
Defb22 C A 2: 152,327,826 (GRCm39) A120S unknown Het
Dnah7b A G 1: 46,227,819 (GRCm39) I1347M probably damaging Het
Efcab5 A G 11: 77,025,668 (GRCm39) I549T possibly damaging Het
Esp15 T A 17: 39,955,468 (GRCm39) probably null Het
Fbxo7 A G 10: 85,860,518 (GRCm39) T42A probably benign Het
Filip1 A G 9: 79,725,556 (GRCm39) I1021T probably benign Het
Gad1 C A 2: 70,394,195 (GRCm39) S7* probably null Het
H2ac7 T A 13: 23,758,841 (GRCm39) probably null Het
H2-Q7 C T 17: 35,658,518 (GRCm39) T52M probably damaging Het
H2-T3 C T 17: 36,497,594 (GRCm39) G28R probably benign Het
Idh2 TCCCAGG T 7: 79,748,079 (GRCm39) probably benign Het
Ift81 A G 5: 122,693,598 (GRCm39) Y604H probably damaging Het
Igsf11 A G 16: 38,842,785 (GRCm39) Y154C probably damaging Het
Kif26b G T 1: 178,742,441 (GRCm39) A846S probably benign Het
Lnx2 G A 5: 146,964,964 (GRCm39) P420S probably benign Het
Lrit2 A G 14: 36,794,216 (GRCm39) T427A probably damaging Het
Lrrc43 G T 5: 123,637,734 (GRCm39) probably null Het
Mettl25b A T 3: 87,837,318 (GRCm39) probably benign Het
Mug1 T C 6: 121,861,353 (GRCm39) Y1325H probably damaging Het
Naglu A T 11: 100,967,550 (GRCm39) Y500F probably damaging Het
Npy4r A G 14: 33,868,940 (GRCm39) M116T probably benign Het
Nrdc A G 4: 108,896,959 (GRCm39) Y526C probably damaging Het
Nrp2 T C 1: 62,801,972 (GRCm39) S472P probably benign Het
Or12d2 T A 17: 37,625,183 (GRCm39) T31S probably benign Het
Or12k8 T C 2: 36,975,731 (GRCm39) T10A possibly damaging Het
Otogl T A 10: 107,616,794 (GRCm39) T1828S probably benign Het
Pank2 C T 2: 131,116,182 (GRCm39) T200I probably benign Het
Pbrm1 A G 14: 30,804,567 (GRCm39) Y946C probably damaging Het
Pde12 A T 14: 26,387,608 (GRCm39) S437T probably benign Het
Pikfyve A G 1: 65,304,427 (GRCm39) K1710E possibly damaging Het
Plcd3 A G 11: 102,969,281 (GRCm39) S229P probably damaging Het
Polr3a T C 14: 24,505,009 (GRCm39) I1084V possibly damaging Het
Prkaa2 C A 4: 104,897,374 (GRCm39) D280Y probably damaging Het
Ptprg T A 14: 12,153,873 (GRCm38) S531R probably damaging Het
R3hdm2 T C 10: 127,321,303 (GRCm39) S620P probably damaging Het
Rab33b A G 3: 51,400,876 (GRCm39) T117A probably damaging Het
Rasal2 T C 1: 156,985,335 (GRCm39) D804G possibly damaging Het
Rbp3 A G 14: 33,678,370 (GRCm39) T773A possibly damaging Het
Rspry1 A G 8: 95,364,914 (GRCm39) T185A possibly damaging Het
Sec61a2 G T 2: 5,887,356 (GRCm39) probably benign Het
Setx C T 2: 29,037,606 (GRCm39) R1364C probably benign Het
Shtn1 G T 19: 59,026,801 (GRCm39) L97M probably damaging Het
Slc35f1 T C 10: 52,984,260 (GRCm39) L340P probably damaging Het
Slc45a1 T A 4: 150,728,366 (GRCm39) probably benign Het
Slmap T C 14: 26,181,088 (GRCm39) E386G probably benign Het
Smc2 C T 4: 52,475,096 (GRCm39) A924V probably benign Het
Sp110 C G 1: 85,516,839 (GRCm39) E219D probably damaging Het
Tecta G A 9: 42,286,359 (GRCm39) L766F probably damaging Het
Tle3 C T 9: 61,314,771 (GRCm39) probably null Het
Trappc2b A T 11: 51,576,801 (GRCm39) D32E probably benign Het
Trem1 T C 17: 48,548,541 (GRCm39) I26T possibly damaging Het
Ttc7b G T 12: 100,413,222 (GRCm39) Q199K possibly damaging Het
Ubap2l T C 3: 89,913,903 (GRCm39) Y975C probably benign Het
Ubxn11 C A 4: 133,850,737 (GRCm39) D196E probably damaging Het
Unc80 A G 1: 66,569,180 (GRCm39) H945R possibly damaging Het
Usp15 A G 10: 122,967,191 (GRCm39) I405T probably damaging Het
Uty C T Y: 1,189,339 (GRCm39) E138K probably damaging Het
Wapl A G 14: 34,399,252 (GRCm39) E107G probably benign Het
Wbp1l T C 19: 46,632,896 (GRCm39) probably null Het
Zfp184 T G 13: 22,133,810 (GRCm39) probably benign Het
Zfp36 A C 7: 28,077,293 (GRCm39) L205R possibly 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
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
R9103:Top3a UTSW 11 60,654,253 (GRCm39) critical splice acceptor site probably null
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'- CCAGGTTGCACTGAAAAGAGTG -3'
(R):5'- AATGGTGGCTGTATCAACATGG -3'

Sequencing Primer
(F):5'- CACTGAAAAGAGTGAGTGTTGATTC -3'
(R):5'- GGTTTTGCCAAGTTACAATTAGTTCC -3'
Posted On 2016-08-04