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Ultrahigh-resolution centrosymmetric crystal structure of Z-DNA reveals massive presence of multiple conformations

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(*CP*GP*CP*GP*CP*G)-3')	polymer	6	1810.2	2		synthetic construct
2	A, B	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3		water	water		18.0	142	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	72.9
All*	Total formula weight	3693.3

*Water molecules are not included.