4YY2

Computationally designed left-handed alpha/alpha toroid with 3 repeats in space group P212121

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	dTor_3x33L	polymer	103	11417.2	4		synthetic construct
2	E, F, G, H, I... (A, B)	SODIUM ION	non-polymer		23.0	8	Chemie (NA)
3	M, N, O, P (A, B, C, D)	water	water		18.0	139	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45668.7
Non-Polymers*	Number of molecules	8
	Total formula weight	183.9
All*	Total formula weight	45852.6

*Water molecules are not included.