9EC4

Structure of the Bacillus subtilis yjdF riboswitch aptamer domain in complex with chelerythrine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (M, A)	RNA (81-MER)	polymer	81	26212.6	2		synthetic construct
2	C, O (M, A)	1,2-dimethoxy-12-methyl[1,3]benzodioxolo[5,6-c]phenanthridin-12-ium	non-polymer		348.4	2	Chemie (CTI)
3	D, P, Q (M, A)	BARIUM ION	non-polymer		137.3	3	Chemie (BA)
4	E, F, G, R, S (M, A)	POTASSIUM ION	non-polymer		39.1	5	Chemie (K)
5	H, I, J, K, L... (M, A)	MAGNESIUM ION	non-polymer		24.3	14	Chemie (MG)
6	AA, BA (M, A)	water	water		18.0	88	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52425.2
Non-Polymers*	Number of molecules	24
	Total formula weight	1644.5
All*	Total formula weight	54069.6

*Water molecules are not included.