9VSN

Crystal structure of RNA duplex containing an IRES internal loop

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	RNA (5'-R(*UP*UP*GP*GP*AP*AP*AP*CP*AP*UP*(5BU)P*CP*GP*AP*AP*CP*UP*AP*CP*UP*UP*CP*C)-3')	polymer	23	7348.2	2		synthetic construct
2	C, D, E, F, G... (A, B)	POTASSIUM ION	non-polymer		39.1	6	Chemie (K) PubChem (813)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	14696.5
Non-Polymers*	Number of molecules	6
	Total formula weight	234.6
All*	Total formula weight	14931.1

*Water molecules are not included.