6YLB

Crystal structure of the SAM-SAH riboswitch with SAM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I... (A, C, F, I, M...)	Chains: A,C,F,I,M,O	polymer	26	8389.9	6		Roseobacter sp.
2	B, D, F, H, J... (B, D, G, J, N...)	Chains: B,D,G,J,N,P	polymer	9	2895.8	6		Roseobacter sp.
3	M, N, O, P, Q... (A, B, C, F, G...)	S-ADENOSYLMETHIONINE	non-polymer		398.4	9	Chemie (SAM)
4	AA, BA, CA, DA, EA... (G, I, J, M, N...)	water	water		18.0	95	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	67714.0
Non-Polymers*	Number of molecules	9
	Total formula weight	3585.9
All*	Total formula weight	71299.9

*Water molecules are not included.