4OJI

Crystal Structure of Twister 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)	RNA (52-MER)	polymer	54	17457.5	1
2	B, C, D, E, F (A)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
3	G (A)	water	water		18.0	50	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	17457.5
Non-Polymers*	Number of molecules	5
	Total formula weight	121.5
All*	Total formula weight	17579.0

*Water molecules are not included.