Incidental Mutation 'IGL01285:Top2a'
ID 72711
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Top2a
Ensembl Gene ENSMUSG00000020914
Gene Name topoisomerase (DNA) II alpha
Synonyms DNA Topoisomerase II alpha, Top-2
Accession Numbers
Essential gene? Probably essential (E-score: 0.970) question?
Stock # IGL01285
Quality Score
Status
Chromosome 11
Chromosomal Location 98883769-98915015 bp(-) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) G to A at 98896985 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000068896 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000068031]
AlphaFold Q01320
Predicted Effect probably benign
Transcript: ENSMUST00000068031
SMART Domains Protein: ENSMUSP00000068896
Gene: ENSMUSG00000020914

DomainStartEndE-ValueType
low complexity region 10 21 N/A INTRINSIC
Blast:TOP2c 22 60 3e-12 BLAST
HATPase_c 75 224 1.81e-2 SMART
TOP2c 79 669 N/A SMART
TOP4c 692 1166 3.58e-234 SMART
low complexity region 1192 1202 N/A INTRINSIC
low complexity region 1226 1238 N/A INTRINSIC
low complexity region 1261 1273 N/A INTRINSIC
low complexity region 1291 1306 N/A INTRINSIC
low complexity region 1407 1418 N/A INTRINSIC
Pfam:DTHCT 1425 1518 1.1e-18 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144318
Predicted Effect noncoding transcript
Transcript: ENSMUST00000151997
Coding Region Coverage
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 nuclear enzyme is involved in processes such as chromosome condensation, chromatid separation, and the relief of torsional stress that occurs during DNA transcription and replication. It catalyzes the transient breaking and rejoining of two strands of duplex DNA which allows the strands to pass through one another, thus altering the topology of DNA. Two forms of this enzyme exist as likely products of a gene duplication event. The gene encoding this form, alpha, is localized to chromosome 17 and the beta gene is localized to chromosome 3. The gene encoding this enzyme functions as the target for several anticancer agents and a variety of mutations in this gene have been associated with the development of drug resistance. Reduced activity of this enzyme may also play a role in ataxia-telangiectasia. [provided by RefSeq, Jul 2010]
Allele List at MGI

All alleles(47) : Targeted(1) Gene trapped(46)

Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam5 T C 8: 25,271,610 (GRCm39) N599S probably benign Het
Adam6a A T 12: 113,509,893 (GRCm39) *755Y probably null Het
Adgrb3 G T 1: 25,132,868 (GRCm39) T1166K probably benign Het
Ano1 T C 7: 144,198,479 (GRCm39) Y345C probably benign Het
Ano1 A G 7: 144,149,275 (GRCm39) V862A probably damaging Het
Asap2 C T 12: 21,279,264 (GRCm39) A382V probably damaging Het
Asb18 A G 1: 89,923,963 (GRCm39) V100A probably benign Het
Bdnf G A 2: 109,553,931 (GRCm39) A102T probably benign Het
Ccser2 G A 14: 36,660,626 (GRCm39) T509M probably damaging Het
Cfap47 A G X: 78,532,764 (GRCm39) I767T possibly damaging Het
Des G A 1: 75,339,227 (GRCm39) A251T probably benign Het
Dmd C T X: 84,153,590 (GRCm39) Q3224* probably null Het
Endog G T 2: 30,061,975 (GRCm39) probably null Het
Ggt7 A G 2: 155,342,691 (GRCm39) V269A probably damaging Het
Gucy2c A G 6: 136,686,739 (GRCm39) F808S probably damaging Het
Hira A G 16: 18,730,930 (GRCm39) T210A probably benign Het
Ifitm5 C A 7: 140,530,076 (GRCm39) R16L probably benign Het
Igdcc4 T C 9: 65,031,273 (GRCm39) C404R probably damaging Het
Ints7 G A 1: 191,347,890 (GRCm39) R754H probably benign Het
Irf9 A G 14: 55,845,058 (GRCm39) E258G probably damaging Het
Megf11 T C 9: 64,567,728 (GRCm39) C406R probably damaging Het
Olfml1 A G 7: 107,189,364 (GRCm39) N143S possibly damaging Het
Or4m1 A G 14: 50,557,713 (GRCm39) F193S possibly damaging Het
Or6c66b T A 10: 129,376,711 (GRCm39) F102I probably benign Het
Or7g30 A G 9: 19,352,266 (GRCm39) D19G probably benign Het
Otof G T 5: 30,562,527 (GRCm39) Q254K probably damaging Het
Pate7 A T 9: 35,688,044 (GRCm39) N65K possibly damaging Het
Plcd3 A G 11: 102,968,696 (GRCm39) F332L probably benign Het
Plxnc1 T C 10: 94,635,230 (GRCm39) D1332G probably damaging Het
Rnasel A T 1: 153,634,130 (GRCm39) D521V probably benign Het
Sema5a T A 15: 32,575,143 (GRCm39) V417D possibly damaging Het
Senp6 G A 9: 80,044,000 (GRCm39) R877Q probably benign Het
Shroom2 A T X: 151,442,353 (GRCm39) D937E probably damaging Het
Slc35a3 A G 3: 116,488,262 (GRCm39) S142P probably damaging Het
Srpx A T X: 9,905,298 (GRCm39) V398E probably damaging Het
Stk10 A T 11: 32,560,653 (GRCm39) K669N possibly damaging Het
Sumf2 A G 5: 129,878,811 (GRCm39) D49G probably damaging Het
Syde1 T A 10: 78,424,721 (GRCm39) E370D probably damaging Het
Tas2r115 G T 6: 132,714,641 (GRCm39) S103R probably damaging Het
Ttn T A 2: 76,550,842 (GRCm39) T23190S probably damaging Het
Ttyh3 C A 5: 140,615,167 (GRCm39) C407F probably damaging Het
Vmn2r27 G T 6: 124,169,370 (GRCm39) H587N possibly damaging Het
Vmn2r74 A G 7: 85,606,692 (GRCm39) I218T possibly damaging Het
Vsig10 A G 5: 117,462,954 (GRCm39) N60S probably benign Het
Zc3h7a A G 16: 10,956,979 (GRCm39) S877P probably damaging Het
Zfp979 G T 4: 147,699,853 (GRCm39) T29N probably damaging Het
Znfx1 G A 2: 166,880,615 (GRCm39) R390C possibly damaging Het
Other mutations in Top2a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00518:Top2a APN 11 98,909,647 (GRCm39) nonsense probably null
IGL01445:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01451:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01456:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01458:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01481:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01485:Top2a APN 11 98,901,856 (GRCm39) missense probably damaging 1.00
IGL01753:Top2a APN 11 98,898,100 (GRCm39) missense probably damaging 0.97
IGL03029:Top2a APN 11 98,909,625 (GRCm39) missense probably benign 0.03
PIT4581001:Top2a UTSW 11 98,893,790 (GRCm39) missense probably damaging 0.97
PIT4585001:Top2a UTSW 11 98,892,199 (GRCm39) missense probably benign 0.02
R0008:Top2a UTSW 11 98,893,729 (GRCm39) nonsense probably null
R0047:Top2a UTSW 11 98,888,682 (GRCm39) missense probably benign
R0047:Top2a UTSW 11 98,888,682 (GRCm39) missense probably benign
R0070:Top2a UTSW 11 98,905,886 (GRCm39) critical splice acceptor site probably null
R0070:Top2a UTSW 11 98,905,886 (GRCm39) critical splice acceptor site probably null
R0116:Top2a UTSW 11 98,894,416 (GRCm39) missense probably benign 0.00
R0245:Top2a UTSW 11 98,900,922 (GRCm39) missense probably benign 0.37
R0276:Top2a UTSW 11 98,900,733 (GRCm39) splice site probably benign
R0288:Top2a UTSW 11 98,907,249 (GRCm39) splice site probably benign
R0335:Top2a UTSW 11 98,913,781 (GRCm39) missense probably benign 0.08
R0422:Top2a UTSW 11 98,900,679 (GRCm39) missense probably damaging 1.00
R0546:Top2a UTSW 11 98,890,052 (GRCm39) missense possibly damaging 0.75
R0558:Top2a UTSW 11 98,887,665 (GRCm39) missense probably benign
R0599:Top2a UTSW 11 98,892,243 (GRCm39) missense probably damaging 0.99
R0727:Top2a UTSW 11 98,902,974 (GRCm39) nonsense probably null
R1565:Top2a UTSW 11 98,891,880 (GRCm39) missense probably damaging 0.99
R1674:Top2a UTSW 11 98,900,099 (GRCm39) missense probably damaging 0.96
R1844:Top2a UTSW 11 98,906,895 (GRCm39) missense probably benign 0.06
R1959:Top2a UTSW 11 98,886,803 (GRCm39) splice site probably null
R2124:Top2a UTSW 11 98,895,054 (GRCm39) missense probably benign 0.00
R2128:Top2a UTSW 11 98,900,633 (GRCm39) missense probably damaging 0.97
R3707:Top2a UTSW 11 98,887,651 (GRCm39) missense probably benign 0.13
R4110:Top2a UTSW 11 98,913,786 (GRCm39) missense probably damaging 1.00
R4112:Top2a UTSW 11 98,913,786 (GRCm39) missense probably damaging 1.00
R4423:Top2a UTSW 11 98,892,231 (GRCm39) missense probably benign 0.00
R4425:Top2a UTSW 11 98,892,231 (GRCm39) missense probably benign 0.00
R4914:Top2a UTSW 11 98,893,786 (GRCm39) missense probably damaging 1.00
R4939:Top2a UTSW 11 98,900,918 (GRCm39) missense probably damaging 1.00
R4944:Top2a UTSW 11 98,888,676 (GRCm39) missense probably benign 0.37
R4971:Top2a UTSW 11 98,884,667 (GRCm39) missense probably damaging 1.00
R5362:Top2a UTSW 11 98,909,738 (GRCm39) missense probably damaging 1.00
R5477:Top2a UTSW 11 98,907,306 (GRCm39) nonsense probably null
R5499:Top2a UTSW 11 98,913,202 (GRCm39) missense probably benign 0.20
R5911:Top2a UTSW 11 98,907,291 (GRCm39) missense possibly damaging 0.92
R7126:Top2a UTSW 11 98,905,818 (GRCm39) missense probably benign 0.09
R7131:Top2a UTSW 11 98,895,008 (GRCm39) missense possibly damaging 0.75
R7174:Top2a UTSW 11 98,914,922 (GRCm39) start gained probably benign
R7329:Top2a UTSW 11 98,895,072 (GRCm39) missense possibly damaging 0.57
R7560:Top2a UTSW 11 98,891,663 (GRCm39) missense probably benign
R7563:Top2a UTSW 11 98,907,005 (GRCm39) missense probably damaging 1.00
R7740:Top2a UTSW 11 98,884,640 (GRCm39) missense probably benign 0.34
R7841:Top2a UTSW 11 98,913,176 (GRCm39) missense probably damaging 1.00
R7894:Top2a UTSW 11 98,900,431 (GRCm39) missense probably damaging 1.00
R8122:Top2a UTSW 11 98,889,993 (GRCm39) missense probably benign
R8260:Top2a UTSW 11 98,891,595 (GRCm39) missense probably null 0.87
R8504:Top2a UTSW 11 98,905,567 (GRCm39) missense probably benign
R8550:Top2a UTSW 11 98,886,744 (GRCm39) missense probably benign
R8558:Top2a UTSW 11 98,912,549 (GRCm39) missense probably damaging 1.00
R8693:Top2a UTSW 11 98,900,868 (GRCm39) missense probably damaging 1.00
R8851:Top2a UTSW 11 98,900,677 (GRCm39) missense probably damaging 1.00
R9143:Top2a UTSW 11 98,900,705 (GRCm39) missense probably benign 0.14
R9240:Top2a UTSW 11 98,901,368 (GRCm39) nonsense probably null
R9294:Top2a UTSW 11 98,891,904 (GRCm39) missense probably benign 0.00
R9301:Top2a UTSW 11 98,897,790 (GRCm39) missense probably damaging 0.99
R9383:Top2a UTSW 11 98,901,884 (GRCm39) nonsense probably null
R9450:Top2a UTSW 11 98,894,434 (GRCm39) missense possibly damaging 0.73
R9515:Top2a UTSW 11 98,902,970 (GRCm39) missense probably damaging 0.99
R9655:Top2a UTSW 11 98,905,334 (GRCm39) missense probably damaging 1.00
R9683:Top2a UTSW 11 98,887,683 (GRCm39) missense probably benign 0.21
R9689:Top2a UTSW 11 98,914,883 (GRCm39) missense probably benign 0.01
U24488:Top2a UTSW 11 98,913,252 (GRCm39) missense probably damaging 1.00
X0025:Top2a UTSW 11 98,886,767 (GRCm39) missense probably benign 0.32
Posted On 2013-10-07