3IFF

2'-SeMe-A modified DNA decamer

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)	DNA (5'-D(*GP*TP*AP*CP*GP*CP*GP*TP*(XUA)P*C)-3')	polymer	10	3138.0	2
2	C, D, E (A, B)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3	F, G (A, B)	water	water		18.0	59	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6276.0
Non-Polymers*	Number of molecules	3
	Total formula weight	72.9
All*	Total formula weight	6348.9

*Water molecules are not included.