8BTG

Cryo-EM structure of the bacterial replication origin opening basal unwinding system

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...)	Chromosomal replication initiator protein DnaA	polymer	446	50930.0	7	UniProt (A0A063XAK9) Pfam (PF11638) Pfam (PF00308) Pfam (PF08299) UniProt (by SIFTS) (P05648)	Bacillus subtilis
2	H (X)	DNA (5'-D(P*AP*CP*TP*TP*AP*TP*CP*CP*AP*CP*AP*AP*AP*TP*CP*CP*AP*CP*AP*GP*GP*CP*CP*C)-3')	polymer	24	7227.7	1		DNA molecule
3	I (Y)	DNA (41-MER)	polymer	41	12855.3	1		DNA molecule
4	J, L, N, P, R... (A, B, C, D, E...)	MAGNESIUM ION	non-polymer		24.3	7	Chemie (MG)
5	K, M, O, Q, S... (A, B, C, D, E...)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	7	Chemie (ATP)

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	376592.8
Non-Polymers*	Number of molecules	14
	Total formula weight	3720.4
All*	Total formula weight	380313.2

*Water molecules are not included.