4R4A

Racemic crystal structure of a cobalt-bound B-DNA duplex

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)	5'-D(*CP*CP*GP*GP*TP*AP*CP*CP*GP*G)-3'	polymer	10	3046.0	2		synthetic construct
2	C, D, E, G, H (A, B)	COBALT (II) ION	non-polymer		58.9	5	Chemie (CO)
3	F (B)	SPERMINE	non-polymer		202.3	1	Chemie (SPM)
4	I, J (A, B)	water	water		18.0	109	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6092.0
Non-Polymers*	Number of molecules	6
	Total formula weight	497.0
All*	Total formula weight	6589.0

*Water molecules are not included.