1D61

THE STRUCTURE OF THE B-DNA DECAMER C-C-A-A-C-I-T-T-G-G: MONOCLINIC FORM

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(*CP*CP*AP*AP*CP*IP*TP*TP*GP*G)-3')	polymer	10	3030.0	1
2	A	CACODYLATE ION	non-polymer		137.0	1	Chemie (CAC)
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4		water	water		18.0	79	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	3030.0
Non-Polymers*	Number of molecules	2
	Total formula weight	177.1
All*	Total formula weight	3207.1

*Water molecules are not included.