8YO5

structure of phage T6 topoisomerase II central domain

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)	Enterobacteria phage T6	phage T6 topoisomerase II gp39 subunit

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	4
	Total formula weight	242378.5
All*	Total formula weight	242378.5

*Water molecules are not included.