7KU4

DNA-DB818 complex: The DNA sequence 5'-CGCGAATTCGCG-3' presents a binding site for the heterocyclic small molecule (DB818).

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)	1:(5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3')	polymer	12	3663.4	2		Homo sapiens
2	C (A)	2-(5-{4-[AMINO(IMINO)METHYL]PHENYL}-2-THIENYL)-1H-BENZIMIDAZOLE-6- CARBOXIMIDAMIDE DIHYDROCHLORIDE	non-polymer		360.4	1	Chemie (D1B)
3	D (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	E, F (A, B)	water	water		18.0	73	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7326.8
Non-Polymers*	Number of molecules	2
	Total formula weight	384.7
All*	Total formula weight	7711.5

*Water molecules are not included.