Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4R1F

Re-refined Human DNA topoisomerase IIa (ATPase and transducer domains) in complex with ADP and SO4

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
DNA topoisomerase 2-alphapolymer40045660.54UniProt (P11388)
Pfam (PF02518)
Pfam (PF00204)
Homo sapiens (human)DNA topoisomerase II, alpha isozyme
2E, H, K, N
(A, B, C, D)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
3F, J, L, P
(A, B, C, D)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.24Chemie (ADP)
4G
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
5I, M, O
(B, C, D)
SULFATE IONnon-polymer96.13Chemie (SO4)
6Q, R, S, T
(A, B, C, D)
waterwater18.0134Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight182642.1
Non-Polymers*Number of molecules12
Total formula weight2186.3
All*Total formula weight184828.4
*Water molecules are not included.

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon