Incidental Mutation 'R7560:Top2a'
ID 585053
Institutional Source Beutler Lab
Gene Symbol Top2a
Ensembl Gene ENSMUSG00000020914
Gene Name topoisomerase (DNA) II alpha
Synonyms DNA Topoisomerase II alpha, Top-2
MMRRC Submission 045626-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.970) question?
Stock # R7560 (G1)
Quality Score 225.009
Status Validated
Chromosome 11
Chromosomal Location 98883769-98915015 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 98891663 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 1153 (N1153K)
Ref Sequence ENSEMBL: ENSMUSP00000068896 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000068031]
AlphaFold Q01320
Predicted Effect probably benign
Transcript: ENSMUST00000068031
AA Change: N1153K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000068896
Gene: ENSMUSG00000020914
AA Change: N1153K

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.4%
Validation Efficiency 100% (100/100)
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: 101 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acot12 A G 13: 91,932,510 (GRCm39) D502G probably benign Het
Adrb1 T C 19: 56,711,120 (GRCm39) V106A probably damaging Het
Ahcyl2 G T 6: 29,886,139 (GRCm39) G352W probably damaging Het
Ahnak2 T G 12: 112,745,851 (GRCm39) D446A Het
Arhgap42 T C 9: 9,035,532 (GRCm39) D270G probably benign Het
Atp2a1 A G 7: 126,058,828 (GRCm39) V129A possibly damaging Het
B9d2 G A 7: 25,380,784 (GRCm39) probably benign Het
Bace1 A T 9: 45,767,437 (GRCm39) I207F possibly damaging Het
Blnk T A 19: 40,940,834 (GRCm39) I190F possibly damaging Het
Bmp7 C T 2: 172,781,757 (GRCm39) E36K possibly damaging Het
Brsk2 A G 7: 141,554,597 (GRCm39) E654G probably benign Het
Cacna2d3 T C 14: 28,780,378 (GRCm39) H661R probably benign Het
Cdh4 T C 2: 179,532,695 (GRCm39) V719A probably benign Het
Cdkn2d G T 9: 21,200,540 (GRCm39) P77H probably damaging Het
Chd3 A G 11: 69,247,096 (GRCm39) V1024A probably damaging Het
Chsy1 T A 7: 65,820,992 (GRCm39) M409K possibly damaging Het
Chsy1 T C 7: 65,821,319 (GRCm39) L518P probably damaging Het
Cic G A 7: 24,972,278 (GRCm39) V670M probably damaging Het
Clock A T 5: 76,390,738 (GRCm39) probably null Het
Coro1a C A 7: 126,302,306 (GRCm39) V14L probably damaging Het
Ctcfl C A 2: 172,960,199 (GRCm39) C128F probably damaging Het
Cyb5b A G 8: 107,896,491 (GRCm39) T71A probably damaging Het
Cyp2c40 C G 19: 39,795,658 (GRCm39) V174L possibly damaging Het
D630045J12Rik T A 6: 38,173,562 (GRCm39) Q202L possibly damaging Het
Dgkz T C 2: 91,773,160 (GRCm39) probably benign Het
Dlgap2 T C 8: 14,872,697 (GRCm39) probably null Het
Dnah1 T C 14: 31,026,940 (GRCm39) I695V probably benign Het
Dst T A 1: 34,221,532 (GRCm39) S2445R possibly damaging Het
Elob T C 17: 24,043,950 (GRCm39) D83G probably benign Het
Elp4 T A 2: 105,624,933 (GRCm39) D320V probably damaging Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Etfdh T C 3: 79,530,886 (GRCm39) Y45C probably damaging Het
Exph5 A G 9: 53,287,073 (GRCm39) I1385V probably benign Het
Fat3 A T 9: 15,908,138 (GRCm39) D2621E probably damaging Het
Fbxl6 G T 15: 76,422,669 (GRCm39) A83D probably benign Het
Fmo2 A G 1: 162,716,318 (GRCm39) Y90H probably damaging Het
Fzd4 T A 7: 89,056,761 (GRCm39) Y269* probably null Het
Grik5 T A 7: 24,757,951 (GRCm39) I377F probably damaging Het
Havcr2 C A 11: 46,349,889 (GRCm39) P137Q probably damaging Het
Hectd4 A G 5: 121,392,405 (GRCm39) N223S possibly damaging Het
Hmcn2 A G 2: 31,347,185 (GRCm39) S4792G probably benign Het
Hps3 T G 3: 20,084,616 (GRCm39) I191L probably benign Het
Ica1l T A 1: 60,049,369 (GRCm39) K195* probably null Het
Idh2 TCCCAGGGCC TCC 7: 79,748,079 (GRCm39) probably null Het
Ift140 A G 17: 25,311,315 (GRCm39) D1170G probably benign Het
Igflr1 T C 7: 30,266,776 (GRCm39) F208S possibly damaging Het
Kcnma1 T C 14: 23,580,310 (GRCm39) T313A probably benign Het
Krt6a T A 15: 101,598,994 (GRCm39) I524F unknown Het
Lce1d G T 3: 92,593,148 (GRCm39) H88Q unknown Het
Lrmda A G 14: 22,878,770 (GRCm39) E177G probably benign Het
Lrrn3 T A 12: 41,502,712 (GRCm39) N535I possibly damaging Het
Map2k4 T A 11: 65,666,583 (GRCm39) I40L unknown Het
Map7d1 A G 4: 126,130,429 (GRCm39) L459P probably damaging Het
Mipol1 A T 12: 57,352,859 (GRCm39) N66I possibly damaging Het
Mycn A C 12: 12,990,292 (GRCm39) F35V probably benign Het
Mzt2 A C 16: 15,680,669 (GRCm39) M40R possibly damaging Het
N4bp2 T G 5: 65,948,458 (GRCm39) L363V probably damaging Het
Nfat5 T A 8: 108,097,221 (GRCm39) M1532K probably benign Het
Notch1 G A 2: 26,350,177 (GRCm39) T2321M probably benign Het
Nr1h4 T C 10: 89,334,123 (GRCm39) D89G probably benign Het
Nsun4 G A 4: 115,908,691 (GRCm39) T623I possibly damaging Het
Nup155 T C 15: 8,184,531 (GRCm39) S1309P probably benign Het
Or4e1 T C 14: 52,700,851 (GRCm39) N205S probably damaging Het
Or51f5 T C 7: 102,430,889 (GRCm39) S69P probably damaging Het
Or8h10 T C 2: 86,809,122 (GRCm39) Y6C probably benign Het
Pcsk5 A G 19: 17,814,336 (GRCm39) F61L probably benign Het
Phrf1 A T 7: 140,811,138 (GRCm39) probably null Het
Pkd1 G A 17: 24,792,605 (GRCm39) E1431K probably benign Het
Pkd2 T A 5: 104,628,219 (GRCm39) I431N probably damaging Het
Plcb2 A G 2: 118,546,124 (GRCm39) L557P probably damaging Het
Poteg A G 8: 27,984,988 (GRCm39) N449S probably benign Het
Ppargc1b C A 18: 61,445,281 (GRCm39) G192W probably damaging Het
Rab13 T C 3: 90,132,206 (GRCm39) S178P probably benign Het
Ralgds A G 2: 28,437,607 (GRCm39) D571G probably damaging Het
Ror2 A G 13: 53,264,849 (GRCm39) S748P probably benign Het
Sart1 A T 19: 5,434,905 (GRCm39) L167Q probably damaging Het
Septin12 A G 16: 4,810,055 (GRCm39) V160A possibly damaging Het
Sgo1 T C 17: 53,986,295 (GRCm39) S299G probably benign Het
Shoc1 T C 4: 59,076,140 (GRCm39) N601S possibly damaging Het
Slc35b4 T A 6: 34,140,296 (GRCm39) D152V probably benign Het
Spata31h1 T C 10: 82,120,449 (GRCm39) Y4187C probably damaging Het
Specc1 T A 11: 62,019,235 (GRCm39) probably null Het
Synj1 G A 16: 90,737,371 (GRCm39) T1308I probably benign Het
Thap12 T G 7: 98,359,438 (GRCm39) L106V probably damaging Het
Togaram1 T C 12: 65,057,916 (GRCm39) M1501T possibly damaging Het
Trpm5 A G 7: 142,634,723 (GRCm39) L658P probably damaging Het
Ttc21b G A 2: 66,047,548 (GRCm39) A849V possibly damaging Het
Vcf1 C T 11: 113,554,215 (GRCm39) G160D probably damaging Het
Vmn1r80 A T 7: 11,927,750 (GRCm39) I287F probably damaging Het
Vmn1r87 T C 7: 12,865,745 (GRCm39) S181G probably damaging Het
Vmn2r71 A T 7: 85,273,115 (GRCm39) H643L probably benign Het
Washc5 G A 15: 59,238,041 (GRCm39) R228C probably damaging Het
Wdr72 T C 9: 74,117,408 (GRCm39) S719P probably damaging Het
Xrcc3 G T 12: 111,774,336 (GRCm39) D164E probably benign Het
Zc2hc1b G A 10: 13,044,529 (GRCm39) R45C probably damaging Het
Zfp335 A G 2: 164,737,912 (GRCm39) Y900H probably damaging Het
Zfp512b G A 2: 181,228,875 (GRCm39) R697C probably damaging Het
Zfp60 T C 7: 27,448,561 (GRCm39) Y410H probably damaging Het
Zfp60 T A 7: 27,448,696 (GRCm39) C455S probably damaging Het
Zfp605 C T 5: 110,275,157 (GRCm39) Q92* probably null Het
Zfp64 C T 2: 168,767,585 (GRCm39) D676N probably damaging Het
Other mutations in Top2a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00518:Top2a APN 11 98,909,647 (GRCm39) nonsense probably null
IGL01285:Top2a APN 11 98,896,985 (GRCm39) splice site probably benign
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
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
Predicted Primers PCR Primer
(F):5'- TGTCTACGTGGCTACCAAAG -3'
(R):5'- ATGCCCCTGTGGTATCTGAC -3'

Sequencing Primer
(F):5'- GATGAGTTATGGTTCTTAGCACCCAC -3'
(R):5'- TATCTGACCAAGGAGAAGAAGGATG -3'
Posted On 2019-10-17