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Human DNA topoisomerase IIa ATPase/ADP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	DNA topoisomerase II, alpha isozyme	polymer	400	45660.5	4	UniProt (P11388) Pfam (PF02518) Pfam (PF00204)	Homo sapiens (human)	topo IIa ATPase
2	E, H, K, M (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	F, J, L, O (A, B, C, D)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
4	G (A)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	I, N (B, D)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6	P, Q, R, S (A, B, C, D)	water	water		18.0	238	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	182642.1
Non-Polymers*	Number of molecules	11
	Total formula weight	2090.2
All*	Total formula weight	184732.4

*Water molecules are not included.