8FB4

Structure of an alternating AT 16-mer bound by diamidine DB1476: 5'-GCTGGATATATCCAGC-3

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 (A, B, C)	DNA (5'-D(*GP*CP*TP*GP*GP*AP*TP*AP*TP*AP*TP*CP*CP*AP*GP*C)-3')	polymer	16	4898.2	3		DNA molecule
2	D, P (A, C)	4,4'-(1H-benzimidazole-2,6-diyl)di(benzene-1-carboximidamide)	non-polymer		354.4	2	Chemie (WFB)
3	E, F, G, H, I... (A, B, C)	CALCIUM ION	non-polymer		40.1	15	Chemie (CA)
4	U, V, W (A, B, C)	water	water		18.0	149	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	14694.6
Non-Polymers*	Number of molecules	17
	Total formula weight	1310.0
All*	Total formula weight	16004.6

*Water molecules are not included.