1ZFB

GGC Duplex B-DNA

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*CP*CP*GP*GP*CP*GP*G)-3'	polymer	10	3047.0	2
2	C, D (B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	E, F (A, B)	water	water		18.0	84	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6094.0
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	6174.1

*Water molecules are not included.