1S45

Crystal structure analysis of the DNA quadruplex d(TGGGGT) S1

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... (A, B, C, D, E...)	5'-D(*TP*GP*GP*GP*GP*T)-3'	polymer	6	1880.3	8
2	I (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	J, K, L, M, O... (A, B, E)	THALLIUM (I) ION	non-polymer		204.4	6	Chemie (TL)
4	N (E)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5	Q, R, S, T, U... (A, B, C, D, E...)	water	water		18.0	112	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	15042.0
Non-Polymers*	Number of molecules	8
	Total formula weight	1273.6
All*	Total formula weight	16315.6

*Water molecules are not included.