1MFT

Crystal Structure Of Four-Helix Bundle 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	Four-helix bundle model	polymer	53	6477.4	2		Escherichia coli	due ferri (II) turn mutant
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3		water	water		18.0	13	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	12954.8
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	13085.6

*Water molecules are not included.