5I2V

NMR structure of a new G-quadruplex forming sequence within the KRAS proto-oncogene promoter region

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*AP*GP*GP*GP*CP*GP*GP*TP*GP*TP*GP*GP*GP*AP*AP*TP*AP*GP*GP*GP*AP*A)-3')	polymer	22	6986.5	1		Homo sapiens
2	B, C (A)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	6986.5
Non-Polymers*	Number of molecules	2
	Total formula weight	78.2
All*	Total formula weight	7064.7

*Water molecules are not included.