1P79

Crystal structure of a bulged RNA tetraplex: implications for a novel binding site in RNA tetraplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	5'-R(*UP*GP*UP*GP*GP*U)-3'	polymer	6	1909.2	1
2	B, C, D (A)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
3	E (A)	water	water		18.0	30	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	1909.2
Non-Polymers*	Number of molecules	3
	Total formula weight	117.3
All*	Total formula weight	2026.5

*Water molecules are not included.