1D98

THE STRUCTURE OF AN OLIGO(DA).OLIGO(DT) TRACT AND ITS BIOLOGICAL IMPLICATIONS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*CP*GP*CP*AP*AP*AP*AP*AP*AP*GP*CP*G)-3')	polymer	12	3689.4	1
2	B (B)	DNA (5'-D(*CP*GP*CP*TP*TP*TP*TP*TP*TP*GP*CP*G)-3')	polymer	12	3635.4	1
3	C, D (A, B)	water	water		18.0	27	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7324.8
All*	Total formula weight	7324.8

*Water molecules are not included.