1XCU

oligonucleotid/drug complex

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)	5'-D(*CP*GP*TP*AP*CP*G)-3'	polymer	6	1809.2	2
2	C, D, F (A, B)	COBALT (II) ION	non-polymer		58.9	3	Chemie (CO)
3	E, I (A, B)	1,5-BIS[3-(DIETHYLAMINO)PROPIONAMIDO]ANTHRACENE-9,10-DIONE	non-polymer		492.6	2	Chemie (AN9)
4	G (B)	BARIUM ION	non-polymer		137.3	1	Chemie (BA)
5	H (B)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	J, K (A, B)	water	water		18.0	27	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	3618.4
Non-Polymers*	Number of molecules	7
	Total formula weight	1322.3
All*	Total formula weight	4940.8

*Water molecules are not included.