1VTR

STRUCTURE OF THE DEOXYTETRANUCLEOTIDE D-PAPTPAPT AND A SEQUENCE-DEPENDENT MODEL FOR POLY(DA-DT)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA (5'-D(*AP*TP*AP*T)-3')	polymer	4	1189.8	1
2		water	water		18.0	42	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	1189.8
All*	Total formula weight	1189.8

*Water molecules are not included.