4E2R

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 (A)	DNA (5'-D(*CP*AP*CP*GP*CP*G)-3')	polymer	6	1794.2	1
2	B (B)	DNA (5'-D(*CP*GP*CP*GP*TP*G)-3')	polymer	6	1825.2	1
3	C (A)	BARIUM ION	non-polymer		137.3	1	Chemie (BA)
4	D, E (A, B)	water	water		18.0	44	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3619.4
Non-Polymers*	Number of molecules	1
	Total formula weight	137.3
All*	Total formula weight	3756.7

*Water molecules are not included.