3T8P

Crystal structure of d(CGGGTACCCG)4 as a four-way Holliday junction

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA (5'-D(*CP*GP*GP*GP*TP*AP*CP*CP*CP*G)-3')	polymer	10	3046.0	2
2	B	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3		water	water		18.0	18	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6092.0
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	6132.1

*Water molecules are not included.