3BWP

Crystal structure of a self-spliced group II intron

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Group IIC intron	polymer	412	133652.2	1	GenBank (42632302)
2	A	MAGNESIUM ION	non-polymer		24.3	7	Chemie (MG)
3	A	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4		water	water		18.0	8	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	133652.2
Non-Polymers*	Number of molecules	9
	Total formula weight	248.3
All*	Total formula weight	133900.5

*Water molecules are not included.