7TZS

Crystal structure of the E. coli thiM riboswitch in complex with quinoxalin-6-ylmethanamine (compound 17)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (X, Y)	RNA (80-MER)	polymer	80	26042.2	2		Escherichia coli
2	C, L (X, Y)	1-(quinoxalin-6-yl)methanamine	non-polymer		159.2	2	Chemie (KX3)
3	D, E, F, M, N (X, Y)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
4	G, H, I, J, O (X, Y)	POTASSIUM ION	non-polymer		39.1	5	Chemie (K)
5	K (X)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	P, Q (X, Y)	water	water		18.0	126	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52084.5
Non-Polymers*	Number of molecules	13
	Total formula weight	658.4
All*	Total formula weight	52742.9

*Water molecules are not included.