3N4O

Insights into the stabilizing contributions of a bicyclic cytosine analogue: crystal structures of DNA duplexes containing 7,8-dihydropyrido[2,3-d]pyrimidin-2-one

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (D, E)	5'-D(*CP*GP*CP*GP*AP*AP*TP*(B7C)P*CP*GP*CP*G)-3'	polymer	12	3686.4	2
2	C (E)	2'-(4-HYDROXYPHENYL)-5-(4-METHYL-1-PIPERAZINYL)-2,5'-BI-BENZIMIDAZOLE	non-polymer		424.5	1	Chemie (HT)
3	D, E (D, E)	water	water		18.0	30	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7372.9
Non-Polymers*	Number of molecules	1
	Total formula weight	424.5
All*	Total formula weight	7797.4

*Water molecules are not included.