4YAZ

3',3'-cGAMP riboswitch bound with 3',3'-cGAMP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (R, A)	RNA (84-MER)	polymer	84	27339.3	2		Geobacter
2	C, D, E, F, J (R, A)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
3	G, I, K (R, A)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
4	H, L (R, A)	2-amino-9-[(2R,3R,3aS,5R,7aR,9R,10R,10aS,12R,14aR)-9-(6-amino-9H-purin-9-yl)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecin-2-yl]-1,9-dihydro-6H-purin-6-one	non-polymer		674.4	2	Chemie (4BW)
5	M, N (R, A)	water	water		18.0	179	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	54678.5
Non-Polymers*	Number of molecules	10
	Total formula weight	1587.6
All*	Total formula weight	56266.1

*Water molecules are not included.