9K9K

Cryo-EM structure of circular intron of Anabaena tRNA(Leu) precursor

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 (249-MER)	polymer	249	80684.2	1		Anabaena
2	B, C, D (A)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG) PubChem (888)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	80684.2
Non-Polymers*	Number of molecules	3
	Total formula weight	72.9
All*	Total formula weight	80757.1

*Water molecules are not included.