4E48

Structure of 20mer double-helical RNA composed of CUG/CUG-repeats

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, D)	5'-R(P*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*C)-3'	polymer	20	6344.8	3
2	D, E, H, I, J (A, B, D)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
3	F, G (A)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4	K, L, M (A, B, D)	water	water		18.0	94	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	19034.3
Non-Polymers*	Number of molecules	7
	Total formula weight	558.5
All*	Total formula weight	19592.8

*Water molecules are not included.