3PBX

Strontium bound to the sequence d(CCGGCGCCGG)

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	polymer	10	3047.0	2
2	C (B)	STRONTIUM ION	non-polymer		87.6	1	Chemie (SR)
3	D (B)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4	E, F (A, B)	water	water		18.0	57	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6094.0
Non-Polymers*	Number of molecules	2
	Total formula weight	110.6
All*	Total formula weight	6204.6

*Water molecules are not included.