1ZF3

ATC Four-stranded DNA 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	5'-D(*CP*CP*GP*AP*TP*AP*TP*CP*GP*G)-3'	polymer	10	3045.0	2
2	B	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3		water	water		18.0	150	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6090.0
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	6130.1

*Water molecules are not included.