1EKA

NMR AND MOLECULAR MODELING REVEAL THAT DIFFERENT HYDROGEN BONDING PATTERNS ARE POSSIBLE FOR GU PAIRS: ONE HYDROGEN BOND FOR EACH GU PAIR IN R(GGCGUGCC)2 AND TWO FOR EACH GU PAIR IN R(GAGUGCUC)2

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(*GP*AP*GP*UP*GP*CP*UP*C)-3')	polymer	8	2542.6	2

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	5085.1
All*	Total formula weight	5085.1

*Water molecules are not included.