2D2K

Crystal Structure of a minimal, native (U39) all-RNA hairpin ribozyme

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*CP*CP*CP*(A2M)P*GP*UP*CP*CP*AP*CP*CP*G)-3'	polymer	13	4066.5	1			ribozyme
2	B (B)	5'-R(*CP*GP*GP*UP*GP*AP*GP*AP*AP*GP*GP*G)-3'	polymer	12	3970.4	1			ribozyme
3	C (C)	5'-R(*GP*GP*CP*AP*GP*AP*GP*AP*AP*AP*CP*AP*CP*AP*CP*GP*A)-3'	polymer	17	5535.4	1			ribozyme
4	D (D)	5'-R(*UP*CP*GP*UP*GP*GP*UP*AP*UP*AP*UP*UP*AP*CP*CP*UP*GP*CP*C)-3'	polymer	19	5992.6	1			ribozyme
5	E (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
6	F, G (B, C)	COBALT HEXAMMINE(III)	non-polymer		161.1	2	Chemie (NCO)
7	H, I, J, K (A, B, C, D)	water	water		18.0	9	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	19564.9
Non-Polymers*	Number of molecules	3
	Total formula weight	418.3
All*	Total formula weight	19983.2

*Water molecules are not included.