1XAM

Cobalt hexammine induced tautameric shift in Z-DNA: structure of d(CGCGCA).d(TGCGCG) in two crystal forms.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	CGCGCA	polymer	6	1794.2	1
2	B	TGCGCG	polymer	6	1825.2	1
3	D, E	TG	polymer	2	588.4	2
4	E	COBALT HEXAMMINE(III)	non-polymer		161.1	1	Chemie (NCO)
5		water	water		18.0	18	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	4796.3
Non-Polymers*	Number of molecules	1
	Total formula weight	161.1
All*	Total formula weight	4957.4

*Water molecules are not included.