8D2A

Crystal structure of theophylline aptamer in complex with TAL3

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)	RNA (33-MER)	polymer	33	10637.4	2		synthetic construct
2	C, G (A, B)	6-methoxy-7-[(1-methylpiperidin-4-yl)methoxy]quinazolin-4-ol	non-polymer		303.4	2	Chemie (QB3)
3	D, F, H, J (A, B)	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
4	E, I (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	K, L (A, B)	water	water		18.0	124	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	21274.9
Non-Polymers*	Number of molecules	8
	Total formula weight	747.3
All*	Total formula weight	22022.1

*Water molecules are not included.