2GWQ

Crystal structure of D(G4T4G4) with four quadruplexes in the asymmetric unit.

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(*GP*GP*GP*GP*TP*TP*TP*TP*GP*GP*GP*G)-3'	polymer	12	3805.5	8
2	AA, BA, I, J, K... (G, H, A, B, C...)	POTASSIUM ION	non-polymer		39.1	20	Chemie (K)
3	CA, DA, EA, FA, GA... (A, B, C, D, E...)	water	water		18.0	169	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	30443.7
Non-Polymers*	Number of molecules	20
	Total formula weight	782.0
All*	Total formula weight	31225.6

*Water molecules are not included.