4J91

Diamond-shaped octameric structure of KtrA with ADP bound

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)	Ktr system potassium uptake protein A	polymer	222	24916.8	4	UniProt (O32080) Pfam (PF02254) Pfam (PF02080)	Bacillus subtilis	K(+)-uptake protein KtrA
2	E, F, G, H (A, B, C, D)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	99667.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1708.8
All*	Total formula weight	101375.8

*Water molecules are not included.