3B31

Crystal structure of domain III of the Cricket Paralysis Virus IRES RNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA (29-MER)	polymer	29	9326.6	1
2	B	RNA (5'-R(P*UP*AP*AP*GP*AP*AP*AP*UP*UP*UP*AP*CP*CP*U)-3')	polymer	14	4416.7	1
3	A	IRIDIUM HEXAMMINE ION	non-polymer		294.4	3	Chemie (IRI)
4	B	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
5		water	water		18.0	146	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	13743.2
Non-Polymers*	Number of molecules	4
	Total formula weight	978.2
All*	Total formula weight	14721.4

*Water molecules are not included.