3IVN

Structure of the U65C mutant A-riboswitch aptamer from the Bacillus subtilis pbuE operon

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	A-riboswitch	polymer	70	22574.3	2		Bacillus subtilis
2	C, D, E, F, G... (A, B)	MAGNESIUM ION	non-polymer		24.3	9	Chemie (MG)
3	H, I (A)	BROMIDE ION	non-polymer		79.9	2	Chemie (BR)
4	N, O (A, B)	water	water		18.0	88	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	45148.7
Non-Polymers*	Number of molecules	11
	Total formula weight	378.6
All*	Total formula weight	45527.2

*Water molecules are not included.