5TKO

RNA heptamer duplex with one 2'-5'-linkage

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	RNA (5'-R(*UP*AP*GP*CP*UP*CP*C)-3')	polymer	7	2157.3	2		unidentified
2	B, D	RNA (5'-R(*GP*GP*AP*GP*CP*UP*A)-3')	polymer	7	2260.4	2		unidentified
3	A	COBALT (II) ION	non-polymer		58.9	1	Chemie (CO)
4		water	water		18.0	87	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	8835.5
Non-Polymers*	Number of molecules	1
	Total formula weight	58.9
All*	Total formula weight	8894.4

*Water molecules are not included.