3CR1

crystal structure of a minimal, mutant, all-RNA hairpin ribozyme (A38C, A-1OMA) grown from MgCl2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	RNA (5'-R(*UP*CP*CP*CP*(A2M)P*GP*UP*CP*CP*AP*CP*CP*G)-3')	polymer	13	4066.5	1
2	B (B)	loop A and B ribozyme strand	polymer	30	9763.0	1
3	C (C)	RNA (5'-R(*UP*CP*GP*UP*GP*GP*UP*CP*CP*AP*UP*UP*AP*CP*CP*UP*GP*CP*C)-3')	polymer	19	5967.5	1
4	D (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5	E (B)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
6	F, G, H (A, B, C)	water	water		18.0	33	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	19797.0
Non-Polymers*	Number of molecules	2
	Total formula weight	120.4
All*	Total formula weight	19917.4

*Water molecules are not included.