7X7G

Crystal structure of a dimeric interlocked parallel G-quadruplex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	DNA (5'-D(*GP*GP*GP*GP*TP*GP*GP*GP*AP*GP*GP*TP*GP*GP*GP*T)-3')	polymer	16	5131.3	2		synthetic construct
2	C, D, E, F, G (A, B)	POTASSIUM ION	non-polymer		39.1	5	Chemie (K)
3	H, I (A, B)	water	water		18.0	39	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	10262.6
Non-Polymers*	Number of molecules	5
	Total formula weight	195.5
All*	Total formula weight	10458.1

*Water molecules are not included.