3U2N

Crystal structure of DNA(CGCGAATTCGCG)2 at 1.25 angstroms

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*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3'	polymer	12	3663.4	2
2	C, D, E, F, G... (A, B)	MAGNESIUM ION	non-polymer		24.3	9	Chemie (MG)
3	L, M (A, B)	water	water		18.0	219	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7326.8
Non-Polymers*	Number of molecules	9
	Total formula weight	218.7
All*	Total formula weight	7545.5

*Water molecules are not included.