6YL5

Crystal structure of the SAM-SAH riboswitch with SAH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Chains: A,B,C,D,E,F,G,H,I,J,K,L	polymer	35	11330.6	12		Roseobacter sp.
2	E, F, G, I, A...	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	9	Chemie (SAH)
3	H, A, C, D	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
4	E, I, A, L, B	SODIUM ION	non-polymer		23.0	14	Chemie (NA)
5	H, L, D	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
6		water	water		18.0	533	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	135967.4
Non-Polymers*	Number of molecules	31
	Total formula weight	4191.3
All*	Total formula weight	140158.7

*Water molecules are not included.