6CQ3

Crystal structure of DNA dodecamer D(CGCGAATTCGCG)

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 (5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3')	polymer	12	3663.4	2		synthetic construct
2	C, D, F (A, B)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3	E (A)	COBALT (II) ION	non-polymer		58.9	1	Chemie (CO)
4	G, H (A, B)	water	water		18.0	173	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7326.8
Non-Polymers*	Number of molecules	4
	Total formula weight	131.8
All*	Total formula weight	7458.6

*Water molecules are not included.