P11388 (TOP2A_HUMAN) Homo sapiens (Human)

DNA topoisomerase 2-alpha UniProtKBInterProSTRINGInteractive Modelling

1531 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; )

Sequence Features

 805O-(5'-phospho-DNA)-tyrosine intermediate
 461Magnesium 1; catalytic
 541Magnesium 1; catalytic
 541Magnesium 2
 543Magnesium 2
 489Interaction with DNA
 492Interaction with DNA
 661Interaction with DNA
 662Interaction with DNA
 723Interaction with DNA
 757Interaction with DNA
 763Interaction with DNA
 804Transition state stabilizer
 856Important for DNA bending; intercalates between base pairs of target DNA
 931Interaction with DNA
 450R -> Q (in teniposide (VM-26) resistant cells; dbSNP:rs746765101) VAR_007532 dbSNP
 487R -> K (in amsacrine resistant cells; dbSNP:rs267607133) VAR_007533 dbSNP
 1324T -> K (in dbSNP:rs28969502) VAR_029245 dbSNP
 1386G -> D (in dbSNP:rs34300454) VAR_052594 dbSNP
 1515A -> S (in dbSNP:rs11540720) VAR_052595 dbSNP
 148-150ATP
 161-168ATP
 376-378ATP
 79-224Histidine kinase/HSP90-like ATPase
IPR003594PF02518
 266-426DNA topoisomerase, type IIA, subunit B, domain 2
IPR013506PF00204
 456-558TOPRIM domain
IPR006171PF01751
 573-711C-terminal associated domain of TOPRIM
IPR031660PF16898
 713-1171DNA topoisomerase, type IIA, subunit A/C-terminal
IPR002205PF00521
 1435-1522DTHCT
IPR012542PF08070

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Crystal Structure of the first bromodomain of human BRD4 in complex with a diacetylated TOP2A peptiā€¦ Heteromer
O60885;
EDO;5nne1198-1207
Human topoisomerase II alpha bound to DNAhomo-2-mer MG;GOL;4fm9433-1190
Human topoisomerase IIalpha in complex with DNA and etoposidehomo-2-mer MG;EVP;5gwk436-1187
Re-refined Human DNA topoisomerase IIa (ATPase and transducer domains) in complex with ADP and SO4homo-2-mer MG;ADP;GOL;SO4;4r1f29-424
Human DNA topoisomerase IIa ATPase/ADPhomo-2-mer MG;ADP;GOL;SO4;1zxn29-424
Human Topo IIa ATPase/AMP-PNPhomo-2-mer MG;ANP;1zxm29-411

Homology models

Oligo-stateLigandsQMEANTemplateRangeSeq id (%)DownloadAssess
homo-2-mer -4.946gav.1.A42-1179
23.07

Homology models built on isoform sequence

Isoform #Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
4homo-2-mer-0.904fm9.1.D514-1271
100.00
2homo-2-mer-0.904fm9.1.D459-1216
100.00
3homo-2-mer-0.904fm9.1.D469-1226
100.00
2homo-2-merANP;-1.511zxm.1.A29-437
100.00
3homo-2-merANP;-2.931zxm.1.A29-447
100.00
4homo-2-merANP;-3.611zxm.1.A29-492
100.00
2homo-2-mer-5.004i3h.1.C38-1204
22.50