1U7J

Solution structure of a diiron protein model

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)	Four-helix bundle model	polymer	49	5902.7	2		Escherichia coli
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	11805.4
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	11936.2

*Water molecules are not included.