7T21

E. coli DnaB bound to ssDNA and ADP-AlF4

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... (A, B, C, D, E...)	Replicative DNA helicase	polymer	471	52450.9	6	UniProt (P0ACB0) Pfam (PF00772) Pfam (PF03796)	Escherichia coli K-12
2	G (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	H, K, N, Q, T (B, C, D, E, F)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	5	Chemie (ADP)
4	I, L, O, R, U (B, C, D, E, F)	TETRAFLUOROALUMINATE ION	non-polymer		103.0	5	Chemie (ALF)
5	J, M, P, S, V (B, C, D, E, F)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	320744.6
Non-Polymers*	Number of molecules	15
	Total formula weight	2772.4
All*	Total formula weight	323517.0

*Water molecules are not included.