4E4O

Interactions of Ba2+ with a non-self-complementary Z-type DNA duplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	DNA (5'-D(*CP*AP*CP*GP*CP*G)-3')	polymer	6	1794.2	2
2	B, D	DNA (5'-D(*CP*GP*CP*GP*TP*G)-3')	polymer	6	1825.2	2
3	A	BARIUM ION	non-polymer		137.3	1	Chemie (BA)
4		water	water		18.0	57	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	7238.8
Non-Polymers*	Number of molecules	1
	Total formula weight	137.3
All*	Total formula weight	7376.2

*Water molecules are not included.