1YLS

Crystal structure of selenium-modified Diels-Alder ribozyme complexed with the product of the reaction between N-pentylmaleimide and covalently attached 9-hydroxymethylanthracene

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	RNA Diels-Alder ribozyme	polymer	11	3651.1	2
2	B, D	RNA Diels-Alder ribozyme	polymer	38	12586.3	2
3	A, C	(3AS,9AS)-2-PENTYL-4-HYDROXYMETHYL-3A,4,9,9A-TETRAHYDRO-4,9[1',2']-BENZENO-1H-BENZ[F]ISOINDOLE-1,3(2H)-DIONE	non-polymer		375.5	2	Chemie (DAI)
4	B, D	MAGNESIUM ION	non-polymer		24.3	13	Chemie (MG)
5		water	water		18.0	83	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	32474.8
Non-Polymers*	Number of molecules	15
	Total formula weight	1066.9
All*	Total formula weight	33541.7

*Water molecules are not included.