Structure of PDB 4g0w Chain B Binding Site BS03

Receptor Information
>4g0w Chain B (length=664) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SKIKGIPKLDDANDAGGKHSLECTLILTEGDSAKSLAVSGLGVIGRDRYG
VFPLRGKILNVREASHKQIMENAEINNIIKIVGLQYKKSYDDAESLKTLR
YGKIMIMTDQDQDGSHIKGLLINFIHHNWPSLLKHGFLEEFITPFADMER
HRILFRYAGPEDDAAITLAFSKKKIDDRKEWLTNFMEDRRQRRLHGTKHL
TYNDFINKELILFSNSDNERSIPSLVDGFKPGQRKVLFTCFKRNDKREVK
VAQLAGSVAEMSAYHHGEQALMMTIVNLAQNFVGSNNINLLQPIGQFGTR
LHGGKDAASPRYIFTMLSTLARLLFPAVDDNLLKFLYDDNQRVEPEWYIP
IIPMVLINGAEGIGTGWACKLPNYDAREIVNNVRRMLDGLDPHPMLPNYK
NFKGTIQELGQNQYAVSGEIFVVDRNTVEITELPVRTWTQVYKEQVLEPM
LNGPALISDYKEYHTDTTVKFVVKMTEEKLAQAEAAGLHKVFKLQTTLTC
NSMVLFDHMGCLKKYETVQDILKEFFDLRLSYYGLRKEWLVGMLGAESTK
LNNQARFILEKIQGKITIENRSKKDLIQMLVQRGYESDPVKAWKEAQGPD
FNYILNMSLWSLTKEKVEELIKQRDAKGREVNDLKRKSPSDLWKEDLAAF
VEELDKVESQERED
Ligand information
Receptor-Ligand Complex Structure
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PDB4g0w On the structural basis and design guidelines for type II topoisomerase-targeting anticancer drugs
Resolution2.696 Å
Binding residue
(original residue number in PDB)
K456 D479 R503
Binding residue
(residue number reindexed from 1)
K8 D31 R55
Enzymatic activity
Enzyme Commision number 5.6.2.2: DNA topoisomerase (ATP-hydrolyzing).
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003918 DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
GO:0005524 ATP binding
Biological Process
GO:0006259 DNA metabolic process
GO:0006265 DNA topological change

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4g0w, PDBe:4g0w, PDBj:4g0w
PDBsum4g0w
PubMed24038465
UniProtQ02880|TOP2B_HUMAN DNA topoisomerase 2-beta (Gene Name=TOP2B)

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