1QYK

GCATGCT + Barium

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)	5'-D(*GP*CP*AP*TP*GP*CP*T)-3'	polymer	7	2113.4	2
2	C, D (A, B)	BARIUM ION	non-polymer		137.3	2	Chemie (BA)
3	E, F (A, B)	water	water		18.0	41	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	4226.8
Non-Polymers*	Number of molecules	2
	Total formula weight	274.7
All*	Total formula weight	4501.5

*Water molecules are not included.