2M1O

ID3 stem

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(P*GP*GP*GP*UP*GP*UP*A)-3')	polymer	7	2277.4	1
2	B (B)	RNA (5'-R(P*AP*GP*CP*AP*CP*CP*C)-3')	polymer	7	2179.4	1

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	4456.8
All*	Total formula weight	4456.8

*Water molecules are not included.