7T20

E. coli DnaB bound to ssDNA and AMPPNP

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, E...	Replicative DNA helicase	polymer	471	52450.9	6	UniProt (P0ACB0) Pfam (PF00772) Pfam (PF03796) In PDB	Escherichia coli K-12
2	M	DNA (5'-D(*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3')	polymer	20	6038.9	1		Escherichia coli
3	C, D, E, F	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	4	Chemie (ANP)
4	C, D, E, F	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	320744.6
Non-Polymers*	Number of molecules	8
	Total formula weight	2122.0
All*	Total formula weight	322866.6

*Water molecules are not included.