3TQ2

Merohedral twinning in protein crystals revealed a new synthetic three helix bundle motif

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	KE1	polymer	36	3986.9	1		Synthetic
2	B (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3	C (A)	water	water		18.0	28	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	3986.9
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	4083.0

*Water molecules are not included.