4U37

Native 7mer-RNA duplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA (5'-R(*UP*AP*GP*CP*UP*CP*C)-3')	polymer	7	2157.3	1		synthetic construct
2	B	RNA (5'-R(*GP*GP*AP*GP*CP*UP*A)-3')	polymer	7	2260.4	1		synthetic construct
3		water	water		18.0	44	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	4417.8
All*	Total formula weight	4417.8

*Water molecules are not included.