3S49

RNA crystal structure with 2-Se-uridine modification

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, D, E... (A, B, C, D, E...)	RNA (5'-R(*GP*UP*AP*UP*AP*(RUS)P*AP*C)-3')	polymer	8	2574.5	7
2	H, I, J (C, E, F)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
3	K, L, M, N, O... (A, B, C, D, E...)	water	water		18.0	71	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	18021.5
Non-Polymers*	Number of molecules	3
	Total formula weight	117.3
All*	Total formula weight	18138.8

*Water molecules are not included.