6FQ2

Structure of minimal sequence for left -handed G-quadruplex formation

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*TP*GP*GP*TP*GP*GP*TP*GP*GP*TP*G)-3')	polymer	12	3805.5	2		synthetic construct
2	C, D, E (A, B)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
3	F, G (A, B)	water	water		18.0	12	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7610.9
Non-Polymers*	Number of molecules	3
	Total formula weight	117.3
All*	Total formula weight	7728.2

*Water molecules are not included.