461D

A "HYDRAT-ION SPINE" IN A B-DNA MINOR GROOVE

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*(TAF)P*TP*CP*GP*CP*G)-3')	polymer	12	3681.4	2
2	C (A)	RUBIDIUM ION	non-polymer		85.5	1	Chemie (RB)
3	D, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	F, G (A, B)	water	water		18.0	160	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7362.8
Non-Polymers*	Number of molecules	3
	Total formula weight	134.1
All*	Total formula weight	7496.8

*Water molecules are not included.