Q02880 (TOP2B_HUMAN) Homo sapiens (Human)

DNA topoisomerase 2-beta UniProtKBInterProSTRINGInteractive Modelling

1626 aa; Sequence (Fasta) ; (Isoform 2; )

Sequence Features

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 826O-(5'-phospho-DNA)-tyrosine intermediate
 482Magnesium 1; catalytic
 562Magnesium 1; catalytic
 562Magnesium 2
 564Magnesium 2
 510Interaction with DNA
 513Interaction with DNA
 682Interaction with DNA
 683Interaction with DNA
 744Interaction with DNA
 778Interaction with DNA
 825Transition state stabilizer
 877Important for DNA bending; intercalates between base pairs of target DNA
 952Interaction with DNA
 63H -> Y (probable disease-associated variant found in a patient with autism spectrum disorder; dbSNP:rs886039770) VAR_079273 dbSNP
 169-171ATP
 182-189ATP
 397-399ATP
 100-245Histidine kinase/HSP90-like ATPase
IPR003594PF02518
 287-447DNA topoisomerase, type IIA, subunit B, domain 2
IPR013506PF00204
 478-579TOPRIM domain
IPR006171PF01751
 594-732C-terminal associated domain of TOPRIM
IPR031660PF16898
 734-1189DNA topoisomerase, type IIA, subunit A/C-terminal
IPR002205PF00521
 1508-1610DTHCT
IPR012542PF08070

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRange
Human topoisomerase IIbeta in complex with DNA and etoposidehomo-2-mer EVP;MG;3qx3454-1206
Assess
Human Topoisomerase Iibeta in complex with DNAhomo-2-mer MG;4j3n454-1206
Assess
Crystal structure of human topoisomerase II beta in complex with 5-iodouridine-containing-DNA and e…homo-2-mer MG;EVP;5zrf454-1206
Assess
Human topoisomerase iibeta in complex with DNA and mitoxantronehomo-2-mer MIX;MG;4g0v454-1206
Assess
Structure of a Human topoisomerase IIbeta fragment in complex with DNA and E7873Shomo-2-mer N2S;N2W;MG;5gwj454-1206
Assess
Human topoisomerase iibeta in complex with DNA and ametantronehomo-2-mer MG;AKE;4g0w454-1206
Assess
Structure of a Human topoisomerase IIbeta fragment in complex with DNA and E7873Rhomo-2-mer N2R;N2N;MG;5gwi454-1206
Assess
Human topoisomerase II beta in complex with DNAhomo-2-mer 5zad457-1206
Assess
Crystal structure of human topoisomerase II beta in complex with DNA: a new quaternary conformation…homo-2-mer MN;5zen457-1206
Assess
Crystal structure of human topoisomerase II beta in complex with 5-iodouridine-containing-DNA in sp…homo-2-mer MN;5zqf457-1206
Assess
Human topoisomerase IIbeta in complex with DNA and amsacrinehomo-2-mer MG;ASW;4g0u458-1206
Assess

Homology models

Oligo-stateQMEANTemplateRangeSeq id (%)Ligands
homo-2-mer -1.77 4gfh.1.A50-1206
48.68ANP;
Assess
homo-2-mer -2.54 1bjt.1.B452-1192
48.77
Assess
homo-2-mer -4.30 1bgw.1.B454-1207
47.18
Assess

Homology models built on isoform sequence

IsoformOligo-stateLigandsQMEANTemplateRangeSeq id (%)
Isoform 2homo-2-merANP;-1.734gfh.1.A45-1201
48.64
Assess
Isoform 2homo-2-mer-2.631bjt.1.B447-1187
48.77
Assess
Isoform 2homo-2-mer-4.361bgw.1.B448-1202
47.11
Assess