1R2O

d(GCATGCT) + Ni2+

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	X	5'-D(*GP*CP*AP*TP*GP*CP*T)-3'	polymer	7	2113.4	1
2	X	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
3		water	water		18.0	8	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	2113.4
Non-Polymers*	Number of molecules	1
	Total formula weight	58.7
All*	Total formula weight	2172.1

*Water molecules are not included.