1D48

STRUCTURE OF THE PURE-SPERMINE FORM OF Z-DNA (MAGNESIUM FREE) AT 1 ANGSTROM RESOLUTION

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 (A)	SPERMINE	non-polymer		202.3	1	Chemie (SPM)
3	D, E (A, B)	water	water		18.0	47	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3620.4
Non-Polymers*	Number of molecules	1
	Total formula weight	202.3
All*	Total formula weight	3822.8

*Water molecules are not included.