4D9Y

The crystal structure of Chelerythrine bound to DNA d(CGTACG)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	DNA (5'-D(*CP*GP*TP*AP*CP*G)-3')	polymer	6	1809.2	4
2	E (A)	1,2-dimethoxy-12-methyl[1,3]benzodioxolo[5,6-c]phenanthridin-12-ium	non-polymer		348.4	1	Chemie (CTI)
3	F (B)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4	G, H, I, J (A, B, C, D)	water	water		18.0	11	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	7236.9
Non-Polymers*	Number of molecules	2
	Total formula weight	388.5
All*	Total formula weight	7625.3

*Water molecules are not included.