Multiple Assemblies exist for SMTL entry 4r1f
Re-refined Human DNA topoisomerase IIa (ATPase and transducer domains) in complex with ADP and SO4; X-RAY DIFFRACTION 2.51 Å

	SMTL ID 4r1f.1 Ligands MAGNESIUM ION; ADENOSINE-5'-DIPHOSPHATE; GLYCEROL; SULFATE ION Polypeptides DNA topoisomerase 2-alpha Oligo-state homo-dimer
	SMTL ID 4r1f.2 Ligands MAGNESIUM ION; ADENOSINE-5'-DIPHOSPHATE; SULFATE ION Polypeptides DNA topoisomerase 2-alpha Oligo-state homo-dimer