Incidental Mutation 'R3879:Top3a'
ID 308686
Institutional Source Beutler Lab
Gene Symbol Top3a
Ensembl Gene ENSMUSG00000002814
Gene Name topoisomerase (DNA) III alpha
Synonyms Top IIIa
MMRRC Submission 040793-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3879 (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 60634765 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 713 (V713A)
Ref Sequence ENSEMBL: ENSMUSP00000002891 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002891] [ENSMUST00000102668] [ENSMUST00000117743] [ENSMUST00000120417]
AlphaFold O70157
Predicted Effect possibly damaging
Transcript: ENSMUST00000002891
AA Change: V713A

PolyPhen 2 Score 0.923 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000002891
Gene: ENSMUSG00000002814
AA Change: V713A

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
AA Change: V713A

PolyPhen 2 Score 0.164 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000099729
Gene: ENSMUSG00000002814
AA Change: V713A

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 possibly damaging
Transcript: ENSMUST00000117743
AA Change: V688A

PolyPhen 2 Score 0.708 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000113057
Gene: ENSMUSG00000002814
AA Change: V688A

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
Meta Mutation Damage Score 0.1745 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 95% (38/40)
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: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933434E20Rik T C 3: 89,970,561 (GRCm39) probably benign Het
Aass G A 6: 23,122,520 (GRCm39) H68Y probably damaging Het
Abcc8 T A 7: 45,754,051 (GRCm39) K1588N possibly damaging Het
Calcoco1 T C 15: 102,615,823 (GRCm39) D601G probably damaging Het
Ccdc175 C A 12: 72,182,792 (GRCm39) R409I probably damaging Het
Ccnl1 A G 3: 65,856,179 (GRCm39) V242A possibly damaging Het
Clasp2 T C 9: 113,719,029 (GRCm39) F705L probably damaging Het
Cyp46a1 A G 12: 108,324,389 (GRCm39) T389A probably benign Het
Eps8 A G 6: 137,504,360 (GRCm39) probably benign Het
Gm9894 T C 13: 67,912,916 (GRCm39) noncoding transcript Het
Kcnd3 C T 3: 105,566,082 (GRCm39) A421V probably damaging Het
Nup153 A T 13: 46,837,436 (GRCm39) V1262E probably damaging Het
Nup210l A G 3: 90,092,780 (GRCm39) T1245A probably damaging Het
Or10ad1b C T 15: 98,125,085 (GRCm39) C147Y probably damaging Het
Or5b121 A G 19: 13,507,613 (GRCm39) Y236C probably damaging Het
Pcif1 G A 2: 164,727,878 (GRCm39) G189D probably benign Het
Pdzd2 A G 15: 12,375,594 (GRCm39) S1514P probably damaging Het
Pigu A T 2: 155,141,063 (GRCm39) F276I probably damaging Het
Pramex1 T C X: 134,514,194 (GRCm39) H365R probably benign Het
Psmd9 C T 5: 123,372,653 (GRCm39) probably benign Het
Rasgrp2 A T 19: 6,463,920 (GRCm39) Q539H probably benign Het
Rgs22 T G 15: 36,107,051 (GRCm39) I112L possibly damaging Het
Slc26a9 A T 1: 131,696,969 (GRCm39) T786S probably benign Het
Sned1 A G 1: 93,192,752 (GRCm39) probably benign Het
St7l G A 3: 104,833,763 (GRCm39) V475I probably damaging Het
Tnfrsf11a C T 1: 105,737,085 (GRCm39) T64I probably damaging Het
Trim16 G A 11: 62,731,433 (GRCm39) G348S probably damaging Het
Tshz3 C T 7: 36,470,962 (GRCm39) Q984* probably null Het
Ttn A G 2: 76,566,406 (GRCm39) probably null Het
Ubfd1 T A 7: 121,667,999 (GRCm39) probably benign Het
Zfp37 A T 4: 62,109,572 (GRCm39) Y497* probably null Het
Zfp462 G A 4: 55,060,095 (GRCm39) C1207Y probably damaging Het
Zfp607b A G 7: 27,403,476 (GRCm39) E644G 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
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
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'- GAGAACAGCATTGCCTAGAGC -3'
(R):5'- TAATCAGTGCACCTTCCAGATTCC -3'

Sequencing Primer
(F):5'- AGGGGTCTCAGCCTTCCTAATG -3'
(R):5'- CAGATTCCTGGATTCGACCTG -3'
Posted On 2015-04-17