355D

THE B-DNA DODECAMER AT HIGH 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*AP*AP*TP*TP*CP*GP*CP*G)-3')	polymer	12	3663.4	2		synthetic construct
2	C (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	D (B)	SPERMINE	non-polymer		202.3	1	Chemie (SPM)
4	E, F (A, B)	water	water		18.0	166	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7326.8
Non-Polymers*	Number of molecules	2
	Total formula weight	226.6
All*	Total formula weight	7553.4

*Water molecules are not included.