4YXY

Computationally designed left-handed alpha/alpha toroid with 9 repeats; two linked rings of 12 repeats each structure

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_9x31L	polymer	117	12575.4	4		synthetic construct

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	50301.7
All*	Total formula weight	50301.7

*Water molecules are not included.