4U47

Octameric RNA duplex soaked in terbium(III)chloride

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	RNA (5'-R(*UP*CP*GP*UP*AP*CP*GP*A)-3')	polymer	8	2526.6	2		synthetic construct
2	C, D (A)	TERBIUM(III) ION	non-polymer		158.9	2	Chemie (TB)
3	E, F (B, A)	water	water		18.0	37	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	5053.1
Non-Polymers*	Number of molecules	2
	Total formula weight	317.9
All*	Total formula weight	5371.0

*Water molecules are not included.