4ZKK

The novel double-fold structure of d(GCATGCATGC)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*GP*CP*AP*TP*GP*CP*AP*TP*GP*C)-3')	polymer	10	3045.0	1		synthetic construct
2	B, C, D (A)	COBALT (II) ION	non-polymer		58.9	3	Chemie (CO)
3	E (A)	water	water		18.0	24	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	3045.0
Non-Polymers*	Number of molecules	3
	Total formula weight	176.8
All*	Total formula weight	3221.8

*Water molecules are not included.