7ELP

Crystal structure of xanthine riboswitch with xanthine, iridium hexammine soak

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)	NMT1_Ir(46-MER)	polymer	45	14558.8	2		Ideonella sp. B508-1
2	C, S (A, B)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP)
3	D, E, T (A, B)	IRIDIUM ION	non-polymer		192.2	3	Chemie (IR)
4	F, U (A, B)	XANTHINE	non-polymer		152.1	2	Chemie (XAN)
5	G, H, I, J, K... (A, B)	MAGNESIUM ION	non-polymer		24.3	16	Chemie (MG)
6	AA, Z (B, A)	water	water		18.0	85	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29117.5
Non-Polymers*	Number of molecules	23
	Total formula weight	2316.1
All*	Total formula weight	31433.6

*Water molecules are not included.