2IE1

Polyamines stabilize left-handed Z-DNA. We found new type of polyamine which stabilize left-handed Z-DNA by X-ray crystallography

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(*DCP*DGP*DCP*DGP*DCP*DG)-3')	polymer	6	1810.2	2		Homo sapiens
2	C, D (A, B)	N-(2-AMINOETHYL)-N'-{2-[(2-AMINOETHYL)AMINO]ETHYL}ETHANE-1,2-DIAMINE	non-polymer		189.3	2	Chemie (PAW)
3	E, F (A, B)	water	water		18.0	55	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3620.4
Non-Polymers*	Number of molecules	2
	Total formula weight	378.6
All*	Total formula weight	3999.0

*Water molecules are not included.