4R48

Racemic crystal structure of a calcium-bound DNA four-way junction

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)	5'-D(*CP*CP*GP*GP*TP*AP*CP*CP*GP*G)-3'	polymer	10	3046.0	2		synthetic construct
2	C (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
3	D (B)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4	E, F (A, B)	water	water		18.0	22	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6092.0
Non-Polymers*	Number of molecules	2
	Total formula weight	63.1
All*	Total formula weight	6155.1

*Water molecules are not included.