6A85

Crystal structure of a novel DNA quadruplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA (5'-D(*AP*GP*AP*GP*AP*GP*AP*TP*GP*GP*GP*TP*GP*CP*GP*TP*T)-3')	polymer	17	5347.5	2		synthetic construct
2	A	LITHIUM ION	non-polymer		6.9	2	Chemie (LI)
3	A, B	SODIUM ION	non-polymer		23.0	11	Chemie (NA)
4	A	LEAD (II) ION	non-polymer		207.2	1	Chemie (PB)
5	B	AMMONIUM ION	non-polymer		18.0	1	Chemie (NH4)
6		water	water		18.0	151	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	10694.9
Non-Polymers*	Number of molecules	15
	Total formula weight	492.0
All*	Total formula weight	11186.9

*Water molecules are not included.