1S47

Crystal structure analysis of the DNA quadruplex d(TGGGGT)S2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	5'-D(*TP*GP*GP*GP*GP*T)-3'	polymer	6	1880.3	12
2	A, E, F, H, K	SODIUM ION	non-polymer		23.0	7	Chemie (NA)
3	B, D, E, I	THALLIUM (I) ION	non-polymer		204.4	6	Chemie (TL)
4		water	water		18.0	86	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	22563.0
Non-Polymers*	Number of molecules	13
	Total formula weight	1387.2
All*	Total formula weight	23950.2

*Water molecules are not included.