Incidental Mutation 'R5806:Top3a'
ID 448525
Institutional Source Beutler Lab
Gene Symbol Top3a
Ensembl Gene ENSMUSG00000002814
Gene Name topoisomerase (DNA) III alpha
Synonyms Top IIIa
MMRRC Submission 043392-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5806 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 60630884-60668191 bp(-) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) A to G at 60667746 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000115727 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002891] [ENSMUST00000056907] [ENSMUST00000102667] [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: ENSMUST00000056907
SMART Domains Protein: ENSMUSP00000055926
Gene: ENSMUSG00000049323

DomainStartEndE-ValueType
low complexity region 13 30 N/A INTRINSIC
Pfam:Folliculin 78 262 5e-12 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000102667
SMART Domains Protein: ENSMUSP00000099728
Gene: ENSMUSG00000049323

DomainStartEndE-ValueType
low complexity region 13 30 N/A INTRINSIC
Pfam:Folliculin 87 255 8e-10 PFAM
Predicted Effect probably null
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 null
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 null
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 null
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: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.5%
Validation Efficiency
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: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A930011G23Rik A G 5: 99,388,731 (GRCm39) M216T probably benign Het
Abhd4 A G 14: 54,499,147 (GRCm39) N36D probably benign Het
Ankra2 T C 13: 98,405,005 (GRCm39) probably null Het
Btd A G 14: 31,389,469 (GRCm39) T397A probably benign Het
Ccbe1 T A 18: 66,209,426 (GRCm39) K205* probably null Het
Clspn A G 4: 126,479,899 (GRCm39) K1081E probably damaging Het
Cmya5 A G 13: 93,230,445 (GRCm39) S1548P possibly damaging Het
Coq8b T A 7: 26,950,050 (GRCm39) Y376* probably null Het
Cpxm1 C A 2: 130,239,393 (GRCm39) A12S probably damaging Het
Cttn T C 7: 144,015,005 (GRCm39) T68A probably damaging Het
Cyp2a12 T A 7: 26,728,504 (GRCm39) probably null Het
Ddx46 A G 13: 55,811,150 (GRCm39) Q582R possibly damaging Het
Ddx55 A G 5: 124,697,262 (GRCm39) E208G probably damaging Het
Dnaaf4 T C 9: 72,869,336 (GRCm39) L182P probably benign Het
Dync1h1 A T 12: 110,618,087 (GRCm39) T3209S probably damaging Het
Ep400 A T 5: 110,903,420 (GRCm39) L393* probably null Het
Ern1 G C 11: 106,289,531 (GRCm39) S924C probably damaging Het
Fanci T C 7: 79,098,596 (GRCm39) I1249T probably damaging Het
Fgfbp3 T G 19: 36,895,949 (GRCm39) D223A probably damaging Het
Frmd6 T C 12: 70,936,794 (GRCm39) L313P probably damaging Het
Galnt17 A G 5: 130,906,657 (GRCm39) Y504H probably damaging Het
Gjb5 A G 4: 127,249,718 (GRCm39) I142T probably benign Het
Gvin1 T C 7: 105,757,413 (GRCm39) D2352G probably benign Het
H2-M2 G A 17: 37,792,617 (GRCm39) T218I probably damaging Het
Hal A G 10: 93,326,846 (GRCm39) T161A probably damaging Het
Helb G A 10: 119,928,424 (GRCm39) R806C probably damaging Het
Ift80 T A 3: 68,857,809 (GRCm39) I279F probably benign Het
Itln1 A T 1: 171,358,720 (GRCm39) I149N possibly damaging Het
Kcnt2 A C 1: 140,437,234 (GRCm39) T556P probably damaging Het
Klk1b22 A T 7: 43,765,301 (GRCm39) E84D possibly damaging Het
Krt78 A G 15: 101,858,937 (GRCm39) L305P probably damaging Het
Lzts2 T C 19: 45,014,806 (GRCm39) probably benign Het
Macf1 A G 4: 123,265,680 (GRCm39) L6843P probably damaging Het
Magi2 C A 5: 20,856,202 (GRCm39) H841Q probably benign Het
Mdm1 A T 10: 118,002,563 (GRCm39) H628L probably benign Het
Med23 A G 10: 24,783,119 (GRCm39) D734G probably damaging Het
Mfsd13a T C 19: 46,354,849 (GRCm39) W9R probably benign Het
Mki67 T C 7: 135,306,334 (GRCm39) H576R probably damaging Het
Muc5b A G 7: 141,416,572 (GRCm39) T3173A possibly damaging Het
Mx1 A T 16: 97,255,351 (GRCm39) V234E possibly damaging Het
Myh2 T C 11: 67,072,141 (GRCm39) L623P probably damaging Het
Naip1 C T 13: 100,581,243 (GRCm39) M1I probably null Het
Ncapd2 A T 6: 125,158,117 (GRCm39) V337E probably damaging Het
Nit2 G A 16: 56,982,056 (GRCm39) T64M possibly damaging Het
Or1e34 A T 11: 73,778,373 (GRCm39) M275K probably damaging Het
Or4c103 T C 2: 88,513,495 (GRCm39) N194D probably damaging Het
Or6e1 A T 14: 54,520,264 (GRCm39) F29L probably benign Het
Otub2 A G 12: 103,369,656 (GRCm39) E245G probably benign Het
Pde8b T C 13: 95,178,548 (GRCm39) K524R probably damaging Het
Pih1d2 C T 9: 50,529,750 (GRCm39) probably benign Het
Pik3cg T A 12: 32,254,952 (GRCm39) D345V possibly damaging Het
Plekhg4 A T 8: 106,105,542 (GRCm39) Q669L possibly damaging Het
Prlr A T 15: 10,319,290 (GRCm39) Y73F probably damaging Het
Ptk6 T C 2: 180,841,523 (GRCm39) I129V possibly damaging Het
Ranbp3 A T 17: 57,017,717 (GRCm39) T458S probably benign Het
Ren1 T A 1: 133,283,249 (GRCm39) Y128* probably null Het
Rimkla A T 4: 119,325,663 (GRCm39) S249T probably damaging Het
Rnf222 T C 11: 68,783,789 (GRCm39) S119P possibly damaging Het
Rrbp1 T A 2: 143,805,251 (GRCm39) E1007V probably benign Het
Septin11 G A 5: 93,315,437 (GRCm39) E389K probably benign Het
Setbp1 A G 18: 78,899,697 (GRCm39) probably null Het
Slc25a54 T C 3: 108,987,894 (GRCm39) S12P probably benign Het
Slc26a5 A C 5: 22,028,561 (GRCm39) F336V probably damaging Het
Slc5a6 T C 5: 31,198,114 (GRCm39) T254A probably damaging Het
Smcr8 G T 11: 60,671,208 (GRCm39) probably null Het
Srcap A T 7: 127,158,335 (GRCm39) probably benign Het
Srrt A T 5: 137,296,179 (GRCm39) I509N probably damaging Het
Tcf25 T A 8: 124,108,243 (GRCm39) H99Q probably benign Het
Tmem40 A G 6: 115,713,373 (GRCm39) V76A probably benign Het
Tnni3k A T 3: 154,533,248 (GRCm39) S740T possibly damaging Het
Tpd52l2 C A 2: 181,144,680 (GRCm39) T109K probably damaging Het
Tsnaxip1 C A 8: 106,564,128 (GRCm39) D109E possibly damaging Het
Uty G T Y: 1,170,921 (GRCm39) D313E probably damaging Het
Zfp143 A T 7: 109,685,442 (GRCm39) K423* probably null Het
Zfp407 C T 18: 84,576,739 (GRCm39) G1458D 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
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'- AATGCTCCACTGGTATGTGAGC -3'
(R):5'- ACCCTCTTAGCGTTTCAGTG -3'

Sequencing Primer
(F):5'- ATCCGGCGAGCAAAGGTCTATC -3'
(R):5'- TAGCGTTTCAGTGGCACC -3'
Posted On 2016-12-15