8YLU

structure of phage T6 topoisomerase II central domain bound with DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	DNA topoisomerase medium subunit	polymer	452	51952.0	2	UniProt (P07065) Pfam (PF00521)	Escherichia phage T4	DNA topoisomerase 51-kDa subunit,Protein Gp52
2	C, D (C, D)	DNA topoisomerase (ATP-hydrolyzing)	polymer	611	69237.3	2	UniProt (A0A346FJ89) Pfam (PF02518) Pfam (PF00204)	Salmonella phage Chi	phage T6 topoisomerase II gp39 subunit
3	E (E)	DNA(5'-D(P*TP*GP*TP*GP*TP*GP*TP*AP*TP*AP*TP*AP*TP*AP*CP*AP*CP*AP*TP*AP*TP*AP))	polymer	22	6764.4	1		DNA molecule
4	F (F)	DNA (5'-D(P*TP*AP*TP*AP*TP*GP*TP*GP*TP*AP*TP*AP*TP*AP*TP*AP*CP*AP*CP*AP*CP*A)-3')	polymer	22	6733.4	1		DNA molecule
5	G (D)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)

Sequence modifications

A, B: 1 - 442 (UniProt: P07065)

PDB	External Database	Details
His 443	-	expression tag
His 444	-	expression tag
His 445	-	expression tag
His 446	-	expression tag
His 447	-	expression tag
His 448	-	expression tag
His 449	-	expression tag
His 450	-	expression tag
His 451	-	expression tag
His 452	-	expression tag

C, D: 1 - 605 (UniProt: A0A346FJ89)

PDB	External Database	Details
His 606	-	expression tag
His 607	-	expression tag
His 608	-	expression tag
His 609	-	expression tag
His 610	-	expression tag
His 611	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	255876.3
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	255900.6

*Water molecules are not included.