3T86

d(GCATGCT) + calcium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA (5'-D(*GP*CP*AP*TP*GP*CP*T)-3')	polymer	7	2113.4	1
2	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4		water	water		18.0	10	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	2113.4
Non-Polymers*	Number of molecules	2
	Total formula weight	79.2
All*	Total formula weight	2192.6

*Water molecules are not included.