439D

5'-R(*CP*UP*GP*GP*GP*CP*GP*G)-3', 5'-R(*CP*CP*GP*CP*CP*UP*GP*G)-3'

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	RNA (5'-R(*CP*UP*GP*GP*GP*CP*GP*G)-3')	polymer	8	2597.6	1
2	B (B)	RNA (5'-R(*CP*CP*GP*CP*CP*UP*GP*G)-3')	polymer	8	2517.6	1
3	C (A)	BARIUM ION	non-polymer		137.3	1	Chemie (BA)
4	D, E (A, B)	water	water		18.0	60	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	5115.2
Non-Polymers*	Number of molecules	1
	Total formula weight	137.3
All*	Total formula weight	5252.5

*Water molecules are not included.