1I2Y

1.66 A STRUCTURE OF A-DUPLEX WITH BULGED ADENOSINE, SPERMINE FORM

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, E...	DNA/RNA (5'-R(*GP*CP*G)-D(P*AP*TP*AP*T)-R(P*AP*CP*GP*U)-3')	polymer	11	3471.2	6
2	D	SPERMINE	non-polymer		202.3	1	Chemie (SPM)
3		water	water		18.0	334	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	20827.2
Non-Polymers*	Number of molecules	1
	Total formula weight	202.3
All*	Total formula weight	21029.5

*Water molecules are not included.