4R15

High-resolution crystal structure of Z-DNA in complex with Cr3+ cations

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*CP*G)-3')	polymer	6	1810.2	2
2	C, D, E (A, B)	CHROMIUM ION	non-polymer		52.0	3	Chemie (CR)
3	F, G (A, B)	water	water		18.0	67	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3620.4
Non-Polymers*	Number of molecules	3
	Total formula weight	156.0
All*	Total formula weight	3776.4

*Water molecules are not included.