3GGK

Locating monovalent cations in one turn of G/C rich B-DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	5'-D(*CP*CP*AP*GP*GP*CP*CP*TP*GP*G) -3'	polymer	10	3046.0	1
2	B, C, D, E, F (A)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
3	G, H (A)	RUBIDIUM ION	non-polymer		85.5	2	Chemie (RB)
4	I (A)	water	water		18.0	121	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	3046.0
Non-Polymers*	Number of molecules	7
	Total formula weight	292.5
All*	Total formula weight	3338.5

*Water molecules are not included.