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9BQ6

Human Topoisomerase 2 Alpha ATPase domain bound to non-hydrolyzable ATP analog AMPPNP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
DNA topoisomerase 2-alphapolymer39945484.22UniProt (P11388)
Pfam (PF02518)
Pfam (PF00204)
Homo sapiens (human)DNA topoisomerase II,alpha isozyme
2C, E
(A, B)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.22Chemie (ANP)
3D, F
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
4G, H
(A, B)
waterwater18.0398Chemie (HOH)
Sequence modifications
A, B: 29 - 424 (UniProt: P11388)
PDBExternal DatabaseDetails
Ser 26-expression tag
Asn 27-expression tag
Ala 28-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight90968.4
Non-Polymers*Number of molecules4
Total formula weight1061.0
All*Total formula weight92029.4
*Water molecules are not included.

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PDB entries from 2025-12-24

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