1IK5

Crystal Structure of a 14mer RNA Containing Double UU Bulges in Two Crystal Forms: A Novel U*(AU) Intramolecular Base Triple

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(*GP*GP*UP*AP*UP*UP*UP*CP*GP*GP*UP*AP*(CBR)P*C)-3'	polymer	14	4503.5	1
2	B (B)	5'-R(*GP*GP*UP*AP*UP*UP*UP*UP*GP*GP*UP*AP*(CBR)P*C)-3'	polymer	14	4504.5	1
3	C, D (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	E, F (A, B)	water	water		18.0	67	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	9008.1
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	9056.7

*Water molecules are not included.