2KKA

Human telomere DNA two-tetrad quadruplex structure in K+ solution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	5'-D(*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*IP*GP*GP*TP*TP*AP*GP*GP*GP*T)-3'	polymer	23	7272.7	1

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	7272.7
All*	Total formula weight	7272.7

*Water molecules are not included.