4Z4B

2-Pyridyl Hoechst - a New Generation DNA-Binding Radioprotector

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)	DNA (5'-D(*CP*GP*CP*AP*AP*AP*TP*TP*TP*GP*CP*G)-3')	polymer	12	3662.4	2		synthetic construct
2	C (A)	5-(4-methylpiperazin-1-yl)-2'-(pyridin-2-yl)-1H,1'H-2,5'-bibenzimidazole	non-polymer		409.5	1	Chemie (4L1)
3	D (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	E, F (A, B)	water	water		18.0	67	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7324.8
Non-Polymers*	Number of molecules	2
	Total formula weight	433.8
All*	Total formula weight	7758.6

*Water molecules are not included.