4GQD

DNA Holliday junction stabilized by chlorine halogen bond.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	DNA (5'-D(*CP*CP*GP*GP*TP*AP*(UCL)P*CP*GP*G)-3')	polymer	10	3081.4	2
2	B, C (B, C)	DNA (5'-D(*CP*CP*GP*AP*TP*AP*CP*CP*GP*G)-3')	polymer	10	3030.0	2
3	E, F, G (A, B)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
4	H, I, J, K (A, B, C, D)	water	water		18.0	93	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	12222.8
Non-Polymers*	Number of molecules	3
	Total formula weight	69.0
All*	Total formula weight	12291.8

*Water molecules are not included.